WELL


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CostsAndExpenses

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidationItems

us-gaap:InterestExpenseDebt
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxesPaidNet

us-gaap:ProfitLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:LongTermDebt
us-gaap:CreditFacility
us-gaap:LongtermDebtType

us-gaap:MinorityInterest

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:ProfitLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:Range, us-gaap:LongtermDebtType

us-gaap:ShareBasedCompensation
us-gaap:ConsolidationItems
us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AdjustmentForAmortization

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AmortizationOfAboveAndBelowMarketLeases

us-gaap:AssetImpairmentCharges
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CashAcquiredFromAcquisition

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:ProductOrService, us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark
us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentPeriodicPaymentPrincipal

us-gaap:DepreciationAndAmortization

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:HedgingDesignation
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationInterestExpense
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EquityMethodInvestmentDividendsOrDistributions
us-gaap:LongtermDebtType
us-gaap:ExtinguishmentOfDebtAmount

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation

us-gaap:GainLossOnSaleOfProperties

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestCostsCapitalized
us-gaap:StatementBusinessSegments

us-gaap:InterestPaidCapitalized

us-gaap:InterestPaidNet

us-gaap:LeaseCost

us-gaap:LineOfCreditFacilityAverageOutstandingAmount

us-gaap:LineOfCreditFacilityInterestRateDuringPeriod

us-gaap:LineOfCreditFacilityMaximumMonthendOutstandingAmount
us-gaap:LongtermDebtType
us-gaap:LoansAssumed1

us-gaap:MinorityInterestDecreaseFromRedemptions
us-gaap:StatementEquityComponents
us-gaap:Currency, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:NotionalAmountOfNonderivativeInstruments
us-gaap:IncomeStatementLocation
us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseLeaseIncome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseVariableLeaseIncome

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
us-gaap:DerivativeInstrumentRisk
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherDepreciationAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherExpenses

us-gaap:PaymentsForCapitalImprovements

us-gaap:PaymentsForConstructionInProcess
us-gaap:StatementBusinessSegments
us-gaap:PaymentsForProceedsFromLoansReceivable

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsToAcquireCommercialRealEstate

us-gaap:PaymentsToAcquireInterestInJointVenture

us-gaap:PaymentsToAcquireLoansReceivable
us-gaap:StatementBusinessSegments

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToDevelopRealEstateAssets

us-gaap:PaymentsToMinorityShareholders

us-gaap:PreferredStockDividendRatePercentage

us-gaap:ProceedsFromCollectionOfLoansReceivable
us-gaap:StatementBusinessSegments

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfSecuredDebt
us-gaap:LongtermDebtType

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt
us-gaap:LongtermDebtType

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:RealEstateCostOfRealEstateSold
us-gaap:StatementBusinessSegments

us-gaap:RepaymentsOfSecuredDebt

us-gaap:RepaymentsOfUnsecuredDebt

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesDividendReinvestmentPlan

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:StraightLineRent

us-gaap:SubleaseIncome

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersDiluted

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

well:CashDistributionsToStockholders

well:ComprehensiveIncomeExcludingRedeemableNoncontrollingInterest

well:ConstructionInProgressConversions

well:DepreciationAmortizationRelatedToInPlaceLeaseIntangiblesAndLeaseCommissions
us-gaap:StatementBusinessSegments
well:DevelopmentProjectsPlacedIntoService
us-gaap:DisposalGroupClassification
well:DisposalGroupIncludingDiscontinuedOperationTotalExpense
us-gaap:StatementBusinessSegments
well:DrawsOnExistingLoans

well:EquityShelfPlanIssuancesAveragePrice

well:EquityShelfPlanIssuancesGrossProceeds

well:EquityShelfPlanIssuancesNetProceeds

well:EquityShelfPlanIssuancesSharesIssued
us-gaap:ShareRepurchaseProgram, us-gaap:StatementScenario

well:ExpectedAdditionalPaymentsToDevelopRealEstateAssets
us-gaap:AdjustmentsForNewAccountingPronouncements
well:FinancingReceivableAllowanceForCreditLossAdoption
us-gaap:LongtermDebtType
well:ForeignCurrencyGainLossOnDebt

well:GainLossOnSaleOfOtherAssetsAndLiabilities

well:GrossProceedsFromIssuanceOfCommonStock

well:IncrementalCommonSharesAttributableToDilutiveEffectOfNonVestedRestrictedShares

well:IncrementalCommonSharesAttributableToRedeemableUnits

well:IncrementalCommonSharesAttributabletoDilutiveEffectofEmployeeStockPurchaseProgram
us-gaap:StatementBusinessSegments
well:InvestmentsInNewLoans

well:IssuanceOfCommonStockShares
us-gaap:LongtermDebtType
well:LongTermDebtIssuedWeightedAverageInterestRate

well:NetOperatingIncome
us-gaap:ConcentrationRiskByBenchmark
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

well:OtherComprehensiveIncomeLossNetofTaxExcludingRedeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

well:PreferredStockConvertedDividendPercentage

well:PreferredStockSharesConvertedPeriod
us-gaap:StatementBusinessSegments
well:PrincipalPaymentsOnLoans

well:ProfitLossExcludingRedeemableNoncontrollingInterest
us-gaap:StatementEquityComponents
us-gaap:LongtermDebtType
well:RateOnNotesExtinguished
us-gaap:LongtermDebtType
well:RateOnNotesForeignCurrency
us-gaap:LongtermDebtType
well:RateOnSecuredDebtAssumed
us-gaap:LongtermDebtType
well:RateOnSecuredDebtPrincipalPayment

well:RentalIncomeRelatedToAboveBelowMarketTenantLeases

well:StockIssuedDuringPeriodAveragePriceDividendReinvestmentPlan

well:StockIssuedDuringPeriodGrossProceedsDividendReinvestmentPlan

us-gaap:AccountsAndNotesReceivableNet

us-gaap:AccountsReceivableGross
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AccountsReceivableNet
us-gaap:ConsolidatedEntities
us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AllowanceForDoubtfulAccountsReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AllowanceForLoanAndLeaseLossesRealEstate

us-gaap:BelowMarketLeaseAccumulatedAmortization

us-gaap:BelowMarketLeaseGross

us-gaap:BelowMarketLeaseNet

us-gaap:BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue
us-gaap:StatementBusinessSegments

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings
us-gaap:StatementBusinessSegments

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:StatementBusinessSegments

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand
us-gaap:StatementBusinessSegments

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:StatementBusinessSegments

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets
us-gaap:StatementBusinessSegments
us-gaap:FairValueByMeasurementBasis
us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:ConstructionInProgressGross
us-gaap:StatementBusinessSegments

us-gaap:CumulativeDividends
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentFaceAmount
us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrumentFairValue
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:DeferredRentReceivablesNet
us-gaap:Currency, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeAssetNotionalAmount
us-gaap:Currency, us-gaap:HedgingDesignation, us-gaap:Position
us-gaap:Currency, us-gaap:HedgingDesignation, us-gaap:Position
us-gaap:DerivativeLiabilityNotionalAmount

us-gaap:DevelopmentInProcess
us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByMeasurementBasis

us-gaap:FinanceLeaseLiability
us-gaap:ConsolidationItems
us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FairValueByMeasurementBasis
us-gaap:ForeignCurrencyContractAssetFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure

us-gaap:ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet

us-gaap:ImpairedFinancingReceivableRecordedInvestment

us-gaap:InterestReceivable

us-gaap:InvestmentBuildingAndBuildingImprovements

us-gaap:LandAndLandImprovements

us-gaap:LineOfCredit
us-gaap:CreditFacility
us-gaap:FairValueByMeasurementBasis
us-gaap:LinesOfCreditFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:LoansReceivableFairValueDisclosure

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:LongtermDebtWeightedAverageInterestRate
us-gaap:FairValueByMeasurementBasis
us-gaap:NotesPayableFairValueDisclosure

us-gaap:NotesReceivableGross
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:NotesReceivableNet
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:ConcentrationRiskByBenchmark
us-gaap:NumberOfRealEstateProperties
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:OperatingLeaseLiability

us-gaap:OtherAssets

us-gaap:OtherFiniteLivedIntangibleAssetsGross

us-gaap:OtherLiabilities

us-gaap:PreferredStockSharesIssued

us-gaap:PreferredStockSharesOutstanding

us-gaap:RealEstateHeldforsale
us-gaap:DisposalGroupClassification
us-gaap:SubsequentEventType

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation

us-gaap:RealEstateInvestmentPropertyNet

us-gaap:RealEstateInvestments
us-gaap:ConsolidatedEntities

us-gaap:RealEstateInvestmentsJointVentures
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:RedeemableNoncontrollingInterestEquityOtherFairValue

us-gaap:RestrictedCash
us-gaap:FairValueByMeasurementBasis

us-gaap:SecuredDebt
us-gaap:ConsolidatedEntities

us-gaap:UnsecuredDebt

well:Accruals
us-gaap:StatementBusinessSegments

well:BusinessAcquisitionPurchasePriceAllocationAccruedExpensesAndOtherLiabilities
us-gaap:StatementBusinessSegments

well:BusinessAcquisitionPurchasePriceAllocationCapitalImprovementsToExistingProperties
us-gaap:StatementBusinessSegments

well:BusinessAcquisitionPurchasePriceAllocationCashDisbursed
us-gaap:StatementBusinessSegments

well:BusinessAcquisitionPurchasePriceAllocationCashDisbursedForConstructionInProgress
us-gaap:StatementBusinessSegments

well:BusinessAcquisitionPurchasePriceAllocationNetCashInvested
us-gaap:StatementBusinessSegments

well:BusinessAcquisitionPurchasePriceAllocationReceivablesAndOtherAssets
us-gaap:StatementBusinessSegments

well:BusinessAcquisitionPurchasePriceAllocationSecuredDebt
us-gaap:StatementBusinessSegments

well:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiability
us-gaap:StatementBusinessSegments

well:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssetsNet
us-gaap:StatementBusinessSegments

well:FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis
us-gaap:FairValueByFairValueHierarchyLevel

well:FinancingReceivableRecordedInvestmentNonAccrualStatusNumberOfLoans
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

well:LeaseLiability

well:LeaseRightOfUseAsset
us-gaap:ConsolidationItems

well:LineOfCreditGross

well:Loansandleasesreceivableimpairedendofperiodnotinallowanceforloanloss1
us-gaap:CreditFacility
well:MarginOverLibor
us-gaap:StatementBusinessSegments
well:NumberOfPropertiesClassifiedAsHeldForSale

well:OtherEquity

well:RealEstateLoansReceivableAfterAllowanceForCreditLosses

well:ReceivablesAndOtherAssets
us-gaap:ConsolidatedEntities
us-gaap:FairValueByMeasurementBasis
well:RedeemableOpUnitholderInterests

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ██▇▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▄▄▃▂▂▂▂▁▁418411406406404384376372372372371369365363362357356354353351350328327308291289288285261260NA214213192178177176147NANANA
us-gaap:CommonStockSharesIssued ███▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▄▄▃▂▂▂▂▁▁418411407406404384376373373372371369365363363358357355353352351329328308291290288285261260NA215214192179177176147NANANA
us-gaap:CommonStockSharesOutstanding ██▇▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▄▄▃▂▂▂▂▁▁417410405405403383375372371371370368364362362357356354352351350328327308291289288285261260NA214213192178177176147NANANA
us-gaap:CommonStockSharesAuthorized ████████████████████████▁▁▁▁▁▁700700700700700700700700700700700700700700700700700700700700700700700700400400400400400400NA400400400400400225225NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 412NA406406393NA374373373NA370368364NA361358356NA3533510NA312297290NA288276260NA226215201NA177177155NA125124123
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 410NA405404391NA373371371NA369366362NA358356355NA3513500NA311296289NA286273260NA224213199NA177176154NA125123123
us-gaap:EarningsPerShareBasic ▅▄█▄▅▃▃▄▇▁▃▄▆▆▆▄▄▄▄▆▄▅▄▃▃▂▃▂▃▄▃▃▃▃▃▄▃▃▂▄▃0.760.551.460.340.720.270.170.421.18-0.310.20.510.860.920.930.550.420.380.520.890.570.580.440.240.170.040.07-0.030.210.350.170.260.20.150.210.40.150.29-0.040.370.21
us-gaap:EarningsPerShareDiluted ▅▄█▄▅▃▃▄▇▁▃▄▆▆▆▄▄▄▄▆▄▄▄▃▃▂▃▂▃▄▃▃▃▃▃▄▃▃▂▄▃0.750.551.450.340.710.270.170.411.17-0.310.20.510.860.910.930.540.420.370.520.890.560.570.440.240.170.040.07-0.030.210.350.160.250.190.150.210.390.150.29-0.040.370.21
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare ▆▅█▅▆▇▄▅▅▁▄▅▆▆▆▅▅▅▅▆▅▅▅▄▄▄▄▄▃▄▄▄▄▄▄▄▄▄▃▅▄0.80.58999999999999991.60.370.751.330.160.420.31-1.040.20.510.860.93000000000000020.930.550.420.37000000000000010.520.890.570.60.440.220.170.070.050.08-0.110.199999999999999960.090.070.180.190.210.21-0.020.16000000000000003-0.140.310.13
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare ▆▅█▅▆▇▄▅▅▁▄▅▆▆▆▅▅▅▅▆▅▅▅▄▄▄▄▄▃▄▄▄▄▄▄▄▄▄▃▅▄0.80.58000000000000011.590.370.741.31999999999999980.160.420.31-1.030.20.510.860.92000000000000020.930.540.420.36999999999999990.520.890.560.60.440.220.170.070.050.08-0.110.199999999999999960.090.070.180.180.210.21-0.020.16000000000000003-0.140.310.13
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
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us-gaap:CashAndCashEquivalentsAtCarryingValue ▂▂▂▂▂▁▁▁▁▂▂▂▂▂▂▂▂▂▂▁▁▂▄▁▁▁▁▂▂▄▅▁▂▁▁▂█▁▁▁▁3032842652682492151912152022432364423804194284663553602922172024739982071851581645122691033138220446916313632826671311815536
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity █▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▃▂▂▃▃▁▁161321554015266149941507814632143071434114558144231472914828146361480614789143931451914590146451468714555131751319512182112941141411560116441018010294NA8058839671246578659866204602NANANA
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 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital█████▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▃▃▂▂▂▂▁▁▁▁208182019019796197401965418424178891766117667176621756417439171341699916983166251658916478163811630016218147401466513524124941241812349122631059910543105028129808870196384631462804932442939373916
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:RetainedEarningsUnappropriated██▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁76597353712965396402612160085932576553165416533051304803445441023891372535763378304928422637248423962329230122642256218420772023195218931849179517081676163016301578
us-gaap:CommonStockValue ██▇▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▄▄▃▂▂▂▂▁▁418411406406404384376372372372371369365363362357356354353351350328327308291289288285261260NA214213192178177176147NANANA
us-gaap:AdditionalPaidInCapital █▇▆▆▆▄▃▂▂▂▂▂▁▁▁208182019019796197401965418424178891766117667176621756417439171341699916983NANA16478NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▆▅▅▄▄▄▃▃▃▂▂▁765973537129653964026121600859325765531654165330513048034454NANA3725NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▄▄▄▄▂▃▃▃▅▄▃▂▁▁▂▂▄▅▄▅▄▅▆█▇▇▇▆▇█████████-96-112-117-100-144-129-138-132-91-111-141-163-177-169-151-159-109-88-94-81-107-77-52-18-25-24-23-49-33-11-10-13-11-11-10-10-10-11NANANA
us-gaap:TreasuryStockValue ███▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▁▁▅▁▁▂▄▄▄▄▄86787874746868686864626262545251514444-41-4135-35-32-262121212117NA17171313131311NANANA
us-gaap:MinorityInterest ███████▃▄▄▄▄▃▃▃▃▄▄▄▂▂▂▂▂▂▂▂▃▁▁933966959975969954961458500502514484474475474475480585492358362297309332328341353419202225NA169157153114134150130NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▅▆█▅▆▆▇▆▄▅▇▆▆▇▇▆▅▆▆▃▄▄▅▄▆▃▃▃▄▃▃▃▃▃▂▂▁▁▁▁41132635551034337237246936827131845838535642347537333741739322628425833625836221920619925421217617417017612611576979992
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▄█▁▆▅▂▅▆▅▅▅▇▇▄▅▅▄▅▅▃▄▅▅▅▅▅▄▂▃▄▄▅▄▄▂▅▃▅▅▅149-9901473-2728197-253-2263-290421-374-369-1661065981-929-119-241-978-283-412-1809-1019-308-447-351-329-499-733-1968-1495-869-690-537-847-657-2402-612-1311-399-309-291
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▅▁▇▃▄▆▃▂▄▃▃▂▂▄▃▃▅▄▄▆▄▅▄▄▄▄▅▅▅▆▄▅▅▄▄█▅▄▄▄-544709-18532173-452-811899-164-835-14-167-239-1492-1336469-236-137716-54311312210839132119-25-8076910048921834248669703289-6330341186427229200
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▅▆█▅▆▆▇▆▄▅▇▆▆▇▇▆▅▆▆▃▄▄▅▄▆▃▃▃▄▃▃▃▃▃▂▂▁▁▁▁41132635551034337237246936827131845838535642347537333741739322628425833625836221920619925421217617417017612611576979992
us-gaap:ProfitLoss ▅▄█▃▅▃▃▃▆▁▃▄▅▅▅▄▃▃▄▅▄▄▃▃▂▂▂▂▃▃▂▃▂▂▂▃▂▂▂▂▂32924064715029212484167453-898920333735135421016514919933020920615287652533771107537657425286314605131
 us-gaap:ProfitLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,well:OutpatientMedical█▂▁▁▁▁▁▁▇▁▁▁27760514347564643247474742NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,well:SeniorHousingOperating62NA5949494NA1057171NA7975NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,well:TripleNet▄▅▆▅█▄▃▅▇▁▃▆14916621616632113583184271693215NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▄█▁▆▅▂▅▆▅▅▅▇▇▄▅▅▄▅▅▃▄▅▅▅▅▅▄▂▃▄▄▅▄▄▂▅▃▅▅▅149-9901473-2728197-253-2263-290421-374-369-1661065981-929-119-241-978-283-412-1809-1019-308-447-351-329-499-733-1968-1495-869-690-537-847-657-2402-612-1311-399-309-291
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▅▁▇▃▄▆▃▂▄▃▃▂▂▄▃▃▅▄▄▆▄▅▄▄▄▄▅▅▅▆▄▅▅▄▄█▅▄▄▄-544709-18532173-452-811899-164-835-14-167-239-1492-1336469-236-137716-54311312210839132119-25-8076910048921834248669703289-6330341186427229200
us-gaap:PaymentsOfDividendsCommonStock █████▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▅▅▄▄▄▄▄▃▃▃▂▂▁356353353353344328324323323321321318315312308307305292290289272260246231230220219200199192159158142NANA126102NANA8484
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType well:ThreePointThreeFivePercentSeniorUnsecuredNotesDueTwoZeroTwoZero,us-gaap:UnsecuredDebt0.0295NA0.03350.03350.0335NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:LongtermDebtType srt:Minimum,us-gaap:SecuredDebt█▁▃██0.01690.01250.01390.01690.0169NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:Range,us-gaap:LongtermDebtType srt:Minimum,us-gaap:UnsecuredDebt▁▅▇██0.01650.0240.02790.02860.0288NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value418411406406404384376372372372371369365363362357356354353351350328327308291289288285261260214213192178177176147
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.21.31.21.31.31.21.31.31.31.31.31.31.31.21.21.21.21.31.31.31.31.31.31.31.31.31.31.31.31.31.31.31.31.31.31.6

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value418411407406404384376373373372371369365363363358357355353352351329328308291290288285261260215214192179177176147
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value417410405405403383375372371371370368364362362357356354352351350328327308291289288285261260214213192178177176147
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value700700700700700700700700700700700700700700700700700700700700700700700700400400400400400400400400400400400225225
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value4124064063933743733733703683643613583563533510312297290288276260226215201177177155125124123
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value4104054043913733713713693663623583563553513500311296289286273260224213199177176154125123123
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.760.551.460.340.720.270.170.421.18-0.310.20.510.860.920.930.550.420.380.520.890.570.580.440.240.170.040.07-0.030.210.350.170.260.20.150.210.40.150.29-0.040.370.21
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.750.551.450.340.710.270.170.411.17-0.310.20.510.860.910.930.540.420.370.520.890.560.570.440.240.170.040.07-0.030.210.350.160.250.190.150.210.390.150.29-0.040.370.21
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.80.58999999999999991.60.370.751.330.160.420.31-1.040.20.510.860.93000000000000020.930.550.420.37000000000000010.520.890.570.60.440.220.170.070.050.08-0.110.199999999999999960.090.070.180.190.210.21-0.020.16000000000000003-0.140.310.13
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.80.58000000000000011.590.370.741.31999999999999980.160.420.31-1.030.20.510.860.92000000000000020.930.540.420.36999999999999990.520.890.560.60.440.220.170.070.050.08-0.110.199999999999999960.090.070.180.180.210.21-0.020.16000000000000003-0.140.310.13
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value125812621266132012721241123611251096110410911058106210781079107610471029978957894867847826801779786682633505461453435402384381255191168153145
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:CorporateNonSegment, us-gaap:ProductAndServiceOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value000020000
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.00.20.10.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.00.20.10.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment us-gaap:ProductAndServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:ManagementService, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value849834914868875763735
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.565.969.268.270.867.867.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.565.969.268.270.867.867.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:ManagementService well:SeniorHousingOperating100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:ProductAndServiceOther, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value010004000
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.0-0.00.00.40.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.0-0.00.00.40.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:ProductAndServiceOther well:OutpatientMedical100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:ProductAndServiceOther, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1114111
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.30.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.30.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:ProductAndServiceOther well:SeniorHousingOperating100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:ProductAndServiceOther, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1111101131
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.11.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.11.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:ProductAndServiceOther well:TripleNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, well:InterestRevenue, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value000000000000
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:InterestRevenue well:OutpatientMedical100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:OperatingSegments, well:InterestRevenue, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value000000000
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:InterestRevenue well:SeniorHousingOperating100.00.00.00.0100.0100.0100.00.00.0

us-gaap:OperatingSegments, well:InterestRevenue, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value141515171412141314112020
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.21.21.31.21.01.21.21.31.11.82.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.21.21.31.21.01.21.21.31.11.82.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:InterestRevenue well:TripleNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

us-gaap:ManagementService



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value849831834914868860875763735
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.565.965.969.268.269.370.867.867.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.565.965.969.268.269.370.867.867.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ManagementService100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductAndServiceOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3543773153
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.30.20.60.60.31.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.50.30.20.60.60.31.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductAndServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:InterestRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value151515171513141314112020
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.21.21.31.21.11.21.21.31.11.82.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.21.21.31.21.11.21.21.31.11.82.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax well:InterestRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value125812621266132012721241123611251096110410911058106210781079107610471029978957894867847826801779786682633505461453435402384381255191168153145
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0000200000000000010
Percentage of Revenues0.00.00.10.00.20.10.10.00.00.00.10.00.00.00.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.00.20.10.10.00.00.00.10.00.00.00.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.0100.0100.00.00.0100.0100.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value199189185163149144140135136142141138
Percentage of Revenues15.815.014.612.411.711.611.312.112.512.913.013.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.815.014.612.411.711.611.312.112.512.913.013.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:OutpatientMedical0.00.00.00.00.00.0100.0100.00.00.0100.0100.0

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value851835915872876765737703678
Percentage of Revenues67.666.069.468.670.968.067.264.564.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax67.666.069.468.670.968.067.264.564.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:SeniorHousingOperating0.00.00.00.0100.0100.00.0100.0100.0

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value207239244240248234219224222231244241
Percentage of Revenues16.518.919.318.219.518.917.719.920.320.922.422.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.518.919.318.219.518.917.719.920.320.922.422.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:TripleNet0.00.00.00.00.00.0100.0100.00.00.0100.0100.0

us-gaap:StatementGeographical

country:CA



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1121151161151161171171181161131151061091131101111049979
Percentage of Revenues9.09.19.28.79.19.49.510.510.610.210.510.110.310.510.210.49.99.78.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.09.19.28.79.19.49.510.510.610.210.510.110.310.510.210.49.99.78.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:CA0.00.00.00.00.00.0100.0100.00.00.0100.0100.00.00.00.00.00.00.00.0

country:GB



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value11711711011211211211111211610810599939395102100106106
Percentage of Revenues9.49.38.78.58.89.19.010.010.69.89.69.48.88.68.89.59.610.310.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.49.38.78.58.89.19.010.010.69.89.69.48.88.68.89.59.610.310.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:GB0.00.00.00.00.00.0100.0100.00.00.0100.0100.00.00.00.00.00.00.00.0

country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1027103010391092104310111007895863
Percentage of Revenues81.781.682.182.782.081.581.579.678.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax81.781.682.182.782.081.581.579.678.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US0.00.00.00.00.00.00.00.00.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value681662655701670650657568556
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.252.551.853.152.752.453.250.550.7

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value605960504843464244
Percentage of CostOfGoodsAndServicesSold8.99.09.27.37.26.67.07.68.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.84.74.83.93.83.53.73.84.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:OutpatientMedical0.00.00.00.00.00.032.931.60.0

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value607581637607610525511
Percentage of CostOfGoodsAndServicesSold89.288.790.990.692.992.492.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.345.948.347.849.446.746.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:SeniorHousingOperating0.00.00.00.069.768.70.0

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13121312140000
Percentage of CostOfGoodsAndServicesSold2.01.82.11.82.20.10.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.01.11.01.20.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:TripleNet0.00.00.00.00.00.00.20.10.0

Operating Expenses

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-03-31
Value11821135
Percentage of CostsAndExpenses100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.089.3

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3526313335312832332829323132363945363638352730513228282327202325272019191714111116
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.12.42.62.82.52.32.93.12.62.73.12.93.03.43.74.43.63.84.03.93.23.66.34.13.73.63.54.34.05.15.76.45.05.15.16.97.56.97.711.6

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value35263133353128323328293231323639453636
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.12.42.62.82.52.32.93.12.62.73.12.93.03.43.74.43.63.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.04136.16592.60.00.04285.513653.60.00.00.00.00.00.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value142131137141145144138121122127122116118126129132132131121118121120118121120121116110110959194928887835844423528
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.310.410.810.711.411.611.210.811.211.511.211.011.211.712.012.312.712.712.412.413.513.914.014.615.115.614.816.217.419.019.921.021.321.922.822.023.123.525.423.119.6

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value117109114117120120115981001059996941518410010015171
Percentage of InterestExpenseDebt83.083.183.482.982.883.883.781.582.082.881.382.880.1119.765.476.275.5115.459.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.48.79.08.99.49.79.38.89.29.59.19.18.914.07.99.49.614.77.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.016628.819877.30.00.014277.740247.30.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value433332111222
Percentage of InterestExpenseDebt3.42.52.42.42.31.41.21.41.42.12.41.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.30.30.30.20.10.10.20.20.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:OutpatientMedical0.00.00.00.00.00.01.21.20.00.02.11.5

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value161617181716161615
Percentage of InterestExpenseDebt11.611.912.412.612.514.013.813.413.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.31.31.41.41.51.51.51.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:SeniorHousingOperating0.00.00.00.02.02.20.02.32.3

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value233333333332
Percentage of InterestExpenseDebt2.02.42.22.32.42.42.53.12.82.83.02.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.30.30.30.30.30.30.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:TripleNet0.00.00.00.00.00.01.61.70.00.01.51.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-6-6-21-8-88-10-3
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-0.5-1.6-0.7-7.2-0.9-0.3

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1-3-4-2-10-2
Percentage of OtherNonoperatingIncomeExpense28.362.819.523.11.58.358.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.3-0.3-0.2-0.1-0.1-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.0-187.9-168.50.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1000-1-20
Percentage of OtherNonoperatingIncomeExpense16.08.5-0.08.61.220.816.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.00.0-0.1-0.1-0.2-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:OutpatientMedical0.00.00.00.0-0.8-1.50.0

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-2-4-11-20-60
Percentage of OtherNonoperatingIncomeExpense47.569.154.833.6-0.961.3-5.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.3-0.9-0.20.1-0.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:SeniorHousingOperating0.00.00.00.00.1-0.80.0

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value02-5-3-870-1
Percentage of OtherNonoperatingIncomeExpense8.2-40.325.734.698.39.530.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.2-0.4-0.2-7.0-0.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:TripleNet0.00.00.00.0-39.7-0.40.0

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value32924064715029249859156115-1468716193150192209165118197140152951237464332836-1265363753495253627-124421
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.219.051.211.423.040.14.813.910.5-13.28.015.28.814.017.819.415.811.520.114.717.111.014.59.08.14.33.65.4-2.012.97.98.312.312.313.614.12.414.4-7.328.815.1

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-160-139-214-154-171-162-152-132-136-170-131-130-130-183-118-144-146-189-109
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-48.6-58.0-33.0-103.1-58.6-32.6-255.9-84.5-118.3116.6-150.0-80.8-139.4-121.4-61.7-69.1-88.5-160.8-55.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-12.7-11.0-16.9-11.7-13.5-13.1-12.3-11.8-12.4-15.4-12.0-12.3-12.3-17.0-11.0-13.4-14.0-18.4-11.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.0-21909.6-26570.10.00.0-18841.4-54495.40.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value277605143472714643247494542
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest84.225.38.029.316.354.578.928.1214.2-33.652.026.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.04.84.13.33.721.93.83.922.54.44.24.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:OutpatientMedical0.00.00.00.00.00.033.532.40.00.032.130.6

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value62594949410571718075
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest18.991.763.132.4177.745.561.891.346.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.046.97.27.48.66.36.57.37.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:SeniorHousingOperating0.00.00.00.012.19.30.011.411.2

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1491662161663212945917327127993173
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest45.569.333.4110.8110.059.199.2110.9235.4-191.4106.6107.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.913.217.112.625.323.74.815.424.825.38.616.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:TripleNet0.00.00.00.00.00.026.977.40.00.038.271.8

Nonoperating Income Expense

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5-43121131250-82-1600-1103-70-710-1-2-14312301100000000
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-0.40.30.10.20.10.10.30.12.30.1-0.80.2-1.5-0.0-0.0-0.21.00.3-0.80.0-0.91.2-0.2-0.3-1.90.40.20.40.80.20.30.30.20.10.10.10.00.00.10.1

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-501007300-2-200-25010-40
Percentage of IncomeTaxExpenseBenefit-100.0-17.528.31.712.9512.7189.94.111.7-11.5-303.70.31.0155.488.2-204.5-28.8-42.14.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.40.10.10.00.00.60.30.00.0-0.3-0.2-0.00.0-2.4-0.00.10.0-0.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.0475.831.70.00.0-291.1-9.60.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value010000000000
Percentage of IncomeTaxExpenseBenefit0.0-30.27.636.616.4-29.4-13.79.827.03.254.7-4.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.10.00.00.0-0.0-0.00.00.00.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:OutpatientMedical0.00.00.00.00.00.0-0.20.30.00.00.30.3

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value02000201-10
Percentage of IncomeTaxExpenseBenefit0.064.4-23.527.9-12.168.1-10.2227.1121.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.2-0.00.0-0.00.2-0.00.1-1.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:SeniorHousingOperating0.00.00.00.0-0.00.30.00.2-1.5

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value01010-2-101201
Percentage of IncomeTaxExpenseBenefit0.0-39.5-0.385.142.8-154.2-64.117.971.58.7122.0-17.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.2-0.00.10.1-0.2-0.10.10.10.20.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:TripleNet0.00.00.00.00.00.0-0.50.30.00.00.30.6

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value092200-1504113
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.80.20.2-0.0-0.1-0.10.5-0.10.40.10.10.3

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value32924064715029212484167453-898920333735135421016514919933020920615287652533771107537657425286314605131
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.219.051.211.423.010.06.814.941.3-8.18.219.231.832.632.919.615.814.520.434.523.423.818.010.68.13.34.31.111.321.211.617.013.210.513.622.612.524.00.133.221.8

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-160-139-214-154-171-162-152-132-136-170-131-130-130-183-118-144-146-189-109
Percentage of ProfitLoss-48.6-58.0-33.0-103.1-58.6-130.3-180.8-79.1-30.1189.8-147.3-64.0-38.6-52.2-33.4-68.6-88.5-127.0-55.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-12.7-11.0-16.9-11.7-13.5-13.1-12.3-11.8-12.4-15.4-12.0-12.3-12.3-17.0-11.0-13.4-14.0-18.4-11.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.0-21909.6-26570.10.00.0-18841.4-54495.40.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value27760514347564643247474742
Percentage of ProfitLoss84.225.38.029.316.345.555.726.354.5-52.553.320.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.04.84.13.33.74.63.83.922.54.34.44.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:OutpatientMedical0.00.00.00.00.00.033.532.40.00.033.530.6

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value62594949410571717975
Percentage of ProfitLoss18.991.763.132.4125.642.615.789.537.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.046.97.27.48.66.36.57.37.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:SeniorHousingOperating0.00.00.00.012.19.30.011.311.2

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value14916621616632113583184271693215
Percentage of ProfitLoss45.569.333.4110.8110.0108.999.5110.259.9-7.3104.5105.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.913.217.112.625.310.96.816.424.80.68.520.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:TripleNet0.00.00.00.00.00.038.382.20.00.038.189.3

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value32622957218126512270124469-70108213329331359161144931853541761511189465063-7491015775584253873245-24630
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.918.245.213.820.99.85.711.142.8-6.39.920.231.030.733.315.013.89.019.037.119.817.414.011.58.20.18.1-1.27.920.112.316.713.510.713.922.912.923.8-1.330.420.7

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-326531417-110-701014113-61-415-11-145-10-3-76-9-4-3-50000-1
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.32.14.21.11.4-0.20.9-0.70.00.91.31.10.3-0.60.2-0.41.5-1.1-1.50.5-1.2-0.4-0.90.8-1.1-0.5-0.5-0.80.0-0.0-0.1-0.2-0.2

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value32225662619628312081117469-59122225332324361157159143171359166176110101562259-1349106567457405286324624630
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.720.349.414.922.39.76.610.442.8-5.411.321.331.330.133.514.615.314.017.537.618.620.413.012.27.02.97.6-2.07.821.112.316.513.310.113.622.712.824.21.730.321.0

Net Income Loss

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31022458913728010164154437-1117418831233333419514813218231219018813671501120-855903754392736692339-44525
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.717.846.610.422.08.25.213.739.9-10.16.817.829.430.931.018.214.212.918.632.721.321.716.18.76.21.52.6-1.28.717.98.112.19.06.89.518.39.120.9-2.729.717.8

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1915581211118141033013-100012100-1-2-300000-1-2-1000000
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.34.60.90.90.90.70.10.40.90.30.30.10.20.3-0.10.00.00.10.20.30.20.0-0.0-0.1-0.3-0.5-0.10.0-0.0-0.1-0.2-0.2-0.5-0.4-0.3-0.10.4-0.4-0.00.3

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value3292333380318633314830637303423024927618277462794428180279752776728865298562896429088290232745627407266292501424541235732321123083230492219620788195491634715859149241386113480132589451
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value9961002
Percentage of Assets3.03.0
Percentage of Assets3.03.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-31
Value3081692432091751961422121271041852242663493888459
Percentage of Assets0.90.50.80.60.60.60.50.80.50.40.70.81.01.21.30.30.2
Percentage of Assets0.90.50.80.60.60.60.50.80.50.40.70.81.01.21.30.30.2
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value772279917173700457295426495348865082
Percentage of Assets23.523.922.521.118.717.916.417.718.2
Percentage of Assets23.523.922.521.118.717.916.417.718.2
Percentage of Assets us-gaap:OperatingSegments well:OutpatientMedical100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value156911509516440152371498913785
Percentage of Assets47.747.449.649.749.649.9
Percentage of Assets47.747.449.649.749.649.9
Percentage of Assets us-gaap:OperatingSegments well:SeniorHousingOperating100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value92009434935094949494101111016387359325
Percentage of Assets27.928.329.328.631.033.333.631.633.4
Percentage of Assets27.928.329.328.631.033.333.631.633.4
Percentage of Assets us-gaap:OperatingSegments well:TripleNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementGeographical

country:CA



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2275246124512478242223782482245025012430244225872505251025401286
Percentage of Assets6.97.47.77.57.97.88.28.99.08.78.79.29.08.78.54.4
Percentage of Assets6.97.47.77.57.97.88.28.99.08.78.79.29.08.78.54.4
Percentage of Assets country:CA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:GB



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value3216340531093173323030783150320833973239320230642835278227151741
Percentage of Assets9.810.29.89.610.510.110.411.612.211.611.411.010.29.69.16.0
Percentage of Assets9.810.29.89.610.510.110.411.612.211.611.411.010.29.69.16.0
Percentage of Assets country:GB100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value27431275132630227496249842488422274
Percentage of Assets83.382.482.582.981.582.079.7
Percentage of Assets83.382.482.582.981.582.079.7
Percentage of Assets country:US100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value154271639815167166951413814331145791242012298126431254812273122711318514198137011372813664121541220211618114541095911023115541129211103100991037289938085727176127135672964824714
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.949.147.650.446.147.248.245.044.345.244.543.944.245.747.647.347.247.144.344.543.645.844.746.849.848.948.245.549.946.049.545.851.051.549.948.949.9

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value3292333380318633314830637303423024927618277462794428180279752776728865298562896429088290232745627407266292501424541235732321123083230492219620788195491634715859149241386113480132589451
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value9961002
Percentage of LiabilitiesAndStockholdersEquity3.03.0
Percentage of Assets3.03.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1613215540152661499415078146321430714341145581442314729148281463614806147891439314519145901464514687145551317513195121821129411414115601164410180102948058839671246578659866204602
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.046.647.945.249.248.247.351.952.551.652.353.052.751.349.549.749.950.353.353.654.752.753.851.748.749.450.252.549.052.749.352.947.747.548.949.948.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value30328426526824921519121520224323644238041942846635536029221720247399820718515816451226910331382204469163136328266713118155363523
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.80.80.80.70.60.80.70.90.81.61.41.51.41.61.21.21.10.80.81.94.10.90.80.70.72.31.35.30.01.33.01.11.02.420.11.40.00.00.00.00.0

us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value2327
Percentage of CashAndCashEquivalentsAtCarryingValue7.89.7
Percentage of Assets0.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary2.42.7

Land

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value702583556519484482423450440445407425416457479543545542558569715744656680668479475768781438460239241239250250237
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.71.71.61.61.61.41.61.61.61.41.51.51.61.61.91.91.92.02.12.73.02.72.92.92.12.13.53.82.22.81.51.61.71.91.92.5

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value68686868686868686868686868686868686868686868686868686868686868686868515151
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.40.40.50.50.40.40.5

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value434435398425324383372384377
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.31.31.31.11.31.21.41.3

Finite Lived Intangible Assets Net

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value13211134201245613401124101218512233109231050511035111241101710949117251209112238124221212310920111431054010758102041026210294104329484947190658457722468006573633263346156
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.140.239.140.440.540.240.439.637.939.539.539.439.440.640.542.342.741.839.840.739.643.041.643.544.445.241.142.743.643.344.242.944.045.747.046.4

us-gaap:CreditFacility

us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value49642834934419
Percentage of LongTermDebt0.44.86.77.03.4
Percentage of Assets0.21.92.62.81.4
Percentage of Assets us-gaap:CommercialPaper0.00.00.00.00.0

us-gaap:LongtermDebtType

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value290429932639268926722485247924622498261827202674266534653300342134883478294530332972294128612812287530103065283924252311228523362108186718691691
Percentage of LongTermDebt22.022.321.220.121.520.420.322.523.823.724.524.324.329.627.328.028.128.727.027.228.227.328.027.427.928.932.330.026.827.331.634.332.129.529.527.5
Percentage of Assets8.89.08.38.18.78.28.28.99.09.49.79.69.612.011.111.812.012.010.711.111.211.811.711.912.413.013.312.811.711.814.014.714.113.513.912.8
Percentage of Assets us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value10306104279817107119737969997538461800684178404834382608645
Percentage of LongTermDebt78.077.778.879.978.579.679.777.576.276.375.575.770.471.3
Percentage of Assets31.331.230.832.331.832.032.230.628.930.129.829.828.629.8
Percentage of Assets us-gaap:UnsecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value933966959975969954961458500502514484474475474475480585492358362297309332328341353419202225169157153114134150130
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.93.02.93.23.13.21.71.81.81.81.71.71.61.61.61.72.01.81.31.41.21.31.41.41.51.51.91.01.21.01.01.00.81.01.11.4

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1613215540152661499415078146321430714341145581442314729148281463614806147891439314519145901464514687145551317513195121821129411414115601164410180102948058839671246578659866204602
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.046.647.945.249.248.247.351.952.551.652.353.052.751.349.549.749.950.353.353.654.752.753.851.748.749.450.252.549.052.749.352.947.747.548.949.948.7

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value17066165061622515969160471558615269148001505914925152441531315110152811526414868149991517515137150451491713473135051251411622117561191412064103831052010522822785547278669367336770473342133737375938073238
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.849.450.948.252.451.450.553.654.353.454.154.754.452.951.151.351.652.355.154.956.053.955.053.150.150.951.754.449.953.80.050.353.948.848.349.951.150.10.00.00.00.00.0

us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value516518
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest3.03.1
Percentage of Assets1.61.6
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary51.851.7

us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value866607830751651738
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest5.13.75.14.74.14.7
Percentage of Assets2.61.82.62.32.12.4
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-96-112-117-100-144-129-138-132-91-111-141-163-177-169-151-159-109-88-94-81-107-77-52-18-25-24-23-49-33-11-10-13-11-11-10-10-10-11-11-8-4-2-1
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.6-0.7-0.7-0.6-0.9-0.8-0.9-0.9-0.6-0.7-0.9-1.1-1.2-1.1-1.0-1.1-0.7-0.6-0.6-0.5-0.7-0.6-0.4-0.1-0.2-0.2-0.2-0.4-0.3-0.1-0.1-0.2-0.1-0.2-0.2-0.2-0.2-0.2-0.3-0.2-0.1-0.1-0.0
Percentage of Assets-0.3-0.3-0.4-0.3-0.5-0.4-0.5-0.5-0.3-0.4-0.5-0.6-0.6-0.6-0.5-0.6-0.4-0.3-0.3-0.3-0.4-0.3-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.10.0-0.1-0.1-0.1-0.1-0.1-0.1-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-31
Value-962-719-947-851-795-129-137-131-110-124-151-173
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-5.6-4.4-5.8-5.3-5.0-0.8-0.9-0.9-0.7-0.8-1.0-1.1
Percentage of Assets-2.9-2.2-3.0-2.6-2.6-0.4-0.5-0.5-0.4-0.4-0.5-0.6
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value20818201901979619740196541842417889176611766717662175641743917134169991698316625165891647816381163001621814740146651352412494124181234912263105991054310502812980887019638463146280493244293937391639003204
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest122.0122.3122.0123.6122.5118.2117.2119.3117.3118.3115.2113.9113.4111.2111.3111.8110.6108.6108.2108.3108.7109.4108.6108.1107.5105.6103.7101.7102.1100.299.898.894.696.495.493.892.8104.2105.1105.4104.2102.499.0
Percentage of Assets63.260.562.159.664.260.759.163.963.763.262.362.361.758.956.957.457.056.859.759.560.958.959.857.453.853.853.655.351.053.90.049.751.047.046.146.847.452.20.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value418411406406404384376372372372371369365363362357356354353351350328327308291289288285261260259214213192178177176147135124123123104
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest2.52.52.52.52.52.52.52.52.52.52.42.42.42.42.42.42.42.32.32.32.32.42.42.52.52.52.42.42.52.52.52.62.52.62.72.62.63.13.23.33.33.23.2
Percentage of Assets1.31.21.31.21.31.31.21.31.31.31.31.31.31.31.21.21.21.21.31.31.31.31.31.31.31.31.31.31.31.30.01.31.31.31.31.31.31.60.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DeferredCompensationShareBasedPayments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value0000000000111333443445666655567776666555544
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.10.10.10.10.10.10.10.10.10.10.10.20.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.0
Percentage of Assets us-gaap:DeferredCompensationShareBasedPayments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value933966959975969954961458500502514484474475474475480585492358362297309332328341353419202225166169157153114134150130891091010
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest5.55.95.96.16.06.16.33.13.33.43.43.23.13.13.13.23.23.93.32.42.42.22.32.72.82.93.03.51.92.11.62.11.82.11.72.02.22.82.10.30.30.30.3
Percentage of Assets2.82.93.02.93.23.13.21.71.81.81.81.71.71.61.61.61.72.01.81.31.41.21.31.41.41.51.51.91.01.20.01.01.01.00.81.01.11.40.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value00000718718718718718718718718100610061006100610061006100610061006100610061006101710221022102210221022102212971010101010101010291275286287288289
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.04.64.74.94.84.84.74.74.86.66.66.86.76.66.66.76.77.57.58.08.78.78.68.59.99.79.712.415.213.915.115.014.96.26.57.77.77.69.0
Percentage of Assets0.00.00.00.00.02.42.42.62.62.62.52.62.63.53.43.53.53.53.73.73.84.04.14.34.34.44.44.64.95.20.06.38.26.87.37.57.63.10.00.00.00.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarningsUnappropriated



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value7659735371296539640261216008593257655316541653305130480344544102389137253576337830492842263724842396232923012264225621842077202319521893184917951708167616301630157815471354
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest44.944.643.941.039.939.339.340.138.335.635.534.834.031.429.227.625.924.623.622.520.421.119.519.920.619.819.318.821.720.819.724.622.826.027.626.725.235.438.743.642.040.641.8
Percentage of Assets23.322.022.419.720.920.219.921.520.819.019.219.118.516.614.914.213.412.813.012.311.511.410.710.510.310.110.010.210.911.20.012.412.312.713.313.312.917.70.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarningsUnappropriated0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-86-78-78-74-74-68-68-68-68-64-62-62-62-54-52-51-51-44-44-41-41-35-35-32-26-21-21-21-21-17-17-17-17-13-13-13-13-11-11-11-11-7-5
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.5-0.5-0.5-0.5-0.5-0.4-0.5-0.5-0.5-0.4-0.4-0.4-0.4-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.3-0.3-0.2-0.2
Percentage of Assets-0.3-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.1-0.1-0.1-0.1-0.1-0.1-0.10.00.00.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

well:AccumulatedDistributions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value-12579-12223-11870-11516-11163-10818-10478-10142-9807-9471-9138-8805-8474-8144-6846-5635
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-73.7-74.1-73.2-72.1-69.6-69.4-68.6-68.5-65.1-63.5-59.9-57.5-56.1-53.3-45.1-41.8
Percentage of Assets-38.2-36.6-37.3-34.7-36.4-35.7-34.6-36.7-35.3-33.9-32.4-31.5-30.5-28.2-23.6-22.5
Percentage of Assets well:AccumulatedDistributions0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value418411406406404384376372372372371369365363362357356354353351350328327308291289288285261260214213192178177176147
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.21.31.21.31.31.21.31.31.31.31.31.31.31.21.21.21.21.31.31.31.31.31.31.31.31.31.31.31.31.31.31.31.31.31.31.6

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value20818201901979619740196541842417889176611766717662175641743917134169991698316478
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets63.260.562.159.664.260.759.163.963.763.262.362.361.758.956.956.8

Additional Paid In Capital Common Stock

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value7659735371296539640261216008593257655316541653305130480344543725
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.322.022.419.720.920.219.921.520.819.019.219.118.516.614.912.8

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-96-112-117-100-144-129-138-132-91-111-141-163-177-169-151-159-109-88-94-81-107-77-52-18-25-24-23-49-33-11-10-13-11-11-10-10-10-11
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.3-0.3-0.4-0.3-0.5-0.4-0.5-0.5-0.3-0.4-0.5-0.6-0.6-0.6-0.5-0.6-0.4-0.3-0.3-0.3-0.4-0.3-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.10.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value86787874746868686864626262545251514444-41-4135-35-32-26212121211717171313131311
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.2-0.2-0.20.1-0.1-0.1-0.10.10.10.10.10.10.10.10.10.10.10.10.1

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value933966959975969954961458500502514484474475474475480585492358362297309332328341353419202225169157153114134150130
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.93.02.93.23.13.21.71.81.81.81.71.71.61.61.61.72.01.81.31.41.21.31.41.41.51.51.91.01.21.01.01.00.81.01.11.4

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value41132635551034337237246936827131845838535642347537333741739322628425833625836221920619925421217617417017612611576979992
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.725.828.138.727.030.030.141.733.624.629.243.336.333.039.344.135.732.742.641.125.332.830.540.832.346.527.930.331.550.446.039.140.042.445.733.245.139.757.564.463.6

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value149-9901473-2728197-253-2263-290421-374-369-1661065981-929-119-241-978-283-412-1809-1019-308-447-351-329-499-733-1968-1495-869-690-537-847-657-2402-612-1311-399-309-291
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.9-78.4116.3-206.715.5-20.4-183.1-25.838.4-33.9-33.9-15.7100.391.0-86.2-11.1-23.1-95.0-28.9-43.1-202.4-117.5-36.4-54.1-43.8-42.2-63.5-107.6-310.6-295.9-188.3-152.3-123.5-210.6-170.9-630.4-239.8-684.8-236.2-201.2-200.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-544709-18532173-452-811899-164-835-14-167-239-1492-1336469-236-137716-54311312210839132119-25-8076910048921834248669703289-6330341186427229200
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-43.256.2-146.4164.6-35.5-6.5153.7-14.6-76.2-1.3-15.3-22.6-140.5-124.043.5-21.9-13.169.6-5.63.3146.824.399.116.114.9-3.3-10.2112.8158.4176.5397.354.9153.8174.975.3-16.71187.6619.2253.2149.0137.9

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value41132635551034337237246936827131845838535642347537333741739322628425833625836221920619925421217617417017612611576979992
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.725.828.138.727.030.030.141.733.624.629.243.336.333.039.344.135.732.742.641.125.332.830.540.832.346.527.930.331.550.446.039.140.042.445.733.245.139.757.564.463.6

Net Income Loss

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value32924064715029212484167453-898920333735135421016514919933020920615287652533771107537657425286314605131
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.219.051.211.423.010.06.814.941.3-8.18.219.231.832.632.919.615.814.520.434.523.423.818.010.68.13.34.31.111.321.211.617.013.210.513.622.612.524.00.133.221.8

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-160-139-214-154-171-162-152-132-136-170-131-130-130-183-118-144-146-189-109
Percentage of ProfitLoss-48.6-58.0-33.0-103.1-58.6-130.3-180.8-79.1-30.1189.8-147.3-64.0-38.6-52.2-33.4-68.6-88.5-127.0-55.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-12.7-11.0-16.9-11.7-13.5-13.1-12.3-11.8-12.4-15.4-12.0-12.3-12.3-17.0-11.0-13.4-14.0-18.4-11.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.0-21909.6-26570.10.00.0-18841.4-54495.40.00.00.00.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value27760514347564643247474742
Percentage of ProfitLoss84.225.38.029.316.345.555.726.354.5-52.553.320.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.04.84.13.33.74.63.83.922.54.34.44.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:OutpatientMedical0.00.00.00.00.00.033.532.40.00.033.530.6

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value62594949410571717975
Percentage of ProfitLoss18.991.763.132.4125.642.615.789.537.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.046.97.27.48.66.36.57.37.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:SeniorHousingOperating0.00.00.00.012.19.30.011.311.2

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value14916621616632113583184271693215
Percentage of ProfitLoss45.569.333.4110.8110.0108.999.5110.259.9-7.3104.5105.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.913.217.112.625.310.96.816.424.80.68.520.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments well:TripleNet0.00.00.00.00.00.038.382.20.00.038.189.3

Depreciation Depletion And Amortization

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value149-9901473-2728197-253-2263-290421-374-369-1661065981-929-119-241-978-283-412-1809-1019-308-447-351-329-499-733-1968-1495-869-690-537-847-657-2402-612-1311-399-309-291
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.9-78.4116.3-206.715.5-20.4-183.1-25.838.4-33.9-33.9-15.7100.391.0-86.2-11.1-23.1-95.0-28.9-43.1-202.4-117.5-36.4-54.1-43.8-42.2-63.5-107.6-310.6-295.9-188.3-152.3-123.5-210.6-170.9-630.4-239.8-684.8-236.2-201.2-200.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-544709-18532173-452-811899-164-835-14-167-239-1492-1336469-236-137716-54311312210839132119-25-8076910048921834248669703289-6330341186427229200
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-43.256.2-146.4164.6-35.5-6.5153.7-14.6-76.2-1.3-15.3-22.6-140.5-124.043.5-21.9-13.169.6-5.63.3146.824.399.116.114.9-3.3-10.2112.8158.4176.5397.354.9153.8174.975.3-16.71187.6619.2253.2149.0137.9

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-06-302011-03-312010-06-302010-03-31
Value3563533533533443283243233233213213183153123083073052922902892722602462312302202192001991921591581421261028484
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateStatedPercentage

well:ThreePointThreeFivePercentSeniorUnsecuredNotesDueTwoZeroTwoZero, us-gaap:UnsecuredDebt



Period End2020-03-312019-09-302019-06-302019-03-31
Value0.02950.03350.03350.0335
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations well:ThreePointThreeFivePercentSeniorUnsecuredNotesDueTwoZeroTwoZero us-gaap:UnsecuredDebt0.00.00.00.0

us-gaap:Range, us-gaap:LongtermDebtType

srt:Minimum, us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.01690.01250.01390.01690.0169
Percentage of DebtInstrumentInterestRateStatedPercentage57.30.041.550.450.4
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum us-gaap:SecuredDebt0.00.00.00.00.0

srt:Minimum, us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.01650.0240.02790.02860.0288
Percentage of DebtInstrumentInterestRateStatedPercentage55.90.083.385.486.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Minimum us-gaap:UnsecuredDebt0.00.00.00.00.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7457746511264485785511954147332102221111152117
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:ConsolidationItems

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value1112453
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0

us-gaap:OperatingSegments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value362374372386358
Percentage of OperatingLeaseRightOfUseAsset3085.93000.07914.17637.29838.7

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value393385330359407316281272264309295487607422
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:AdjustmentForAmortization



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3335443444433221111112111024333444343543
Percentage of AdjustmentForAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllocatedShareBasedCompensationExpense



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value7192072122
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfAboveAndBelowMarketLeases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value000000000000000001100000000000000
Percentage of AmortizationOfAboveAndBelowMarketLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value270189076642899013111390140002000
Percentage of AssetImpairmentCharges100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.00.00.00.0100.00.00.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value003100000000
Percentage of AssetImpairmentCharges0.00.017.6109.50.00.00.00.00.00.00.0

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302018-09-302018-06-302018-03-312017-09-302017-06-30
Value32002208
Percentage of AssetImpairmentCharges12.614.40.08.347.88.20.064.4

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2401207362259204
Percentage of AssetImpairmentCharges87.4563.368.0-9.596.791.752.291.892.20.035.6

us-gaap:CashAcquiredFromAcquisition



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value000103-400043874
Percentage of CashAcquiredFromAcquisition100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value755-28-47913488-4513-192
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.870.87000000000000010.870.870.870.87000000000000010.870.870.870.87000000000000010.870.870.870.85999999999999990.860.860.860.82499999999999970.8250.8250.8250.79500000000000040.7950.7950.7950.76500000000000010.7650.7650.7650.73999999999999980.740.740.740.71499999999999990.7150.7150.690.69000000000000040.690.680.68
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

well:NetOperatingingIncome, well:BenchmarkSeniorLiving



Period End2020-03-312019-03-31
Value0.030.04
Percentage of ConcentrationRiskPercentage1100.0100.0

well:NetOperatingingIncome, well:ProMedica



Period End2020-03-31
Value0.09
Percentage of ConcentrationRiskPercentage1300.0

well:NetOperatingingIncome, well:RemainingPortfolio



Period End2020-03-312019-03-31
Value0.630.61
Percentage of ConcentrationRiskPercentage12100.01525.0

well:NetOperatingingIncome, well:Sunrise



Period End2020-03-312019-03-31
Value0.140.15
Percentage of ConcentrationRiskPercentage1466.7375.0

us-gaap:ProductOrService, us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark

us-gaap:ManagementService, country:CA, us-gaap:SalesRevenueNet



Period End2020-03-31
Value0.13
Percentage of ConcentrationRiskPercentage1433.3

us-gaap:ManagementService, country:GB, us-gaap:SalesRevenueNet



Period End2020-03-31
Value0.1
Percentage of ConcentrationRiskPercentage1333.3

us-gaap:ManagementService, country:US, us-gaap:SalesRevenueNet



Period End2020-03-31
Value0.77
Percentage of ConcentrationRiskPercentage12566.7

us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark

country:CA, us-gaap:AssetsTotal



Period End2020-03-312019-03-31
Value0.0690.074
Percentage of ConcentrationRiskPercentage1230.0185.0

country:CA, us-gaap:SalesRevenueNet



Period End2020-03-312019-03-31
Value0.090.091
Percentage of ConcentrationRiskPercentage1300.0227.5

country:GB, us-gaap:AssetsTotal



Period End2020-03-312019-03-31
Value0.0980.102
Percentage of ConcentrationRiskPercentage1326.7255.0

country:GB, us-gaap:SalesRevenueNet



Period End2020-03-312019-03-31
Value0.0940.088
Percentage of ConcentrationRiskPercentage1313.3220.0

country:US, us-gaap:AssetsTotal



Period End2020-03-312019-03-31
Value0.8330.824
Percentage of ConcentrationRiskPercentage12776.72060.0

country:US, us-gaap:SalesRevenueNet



Period End2020-03-312019-03-31
Value0.8160.821
Percentage of ConcentrationRiskPercentage12720.02052.5

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

well:TermCreditFacility, us-gaap:UnsecuredDebt, us-gaap:SubsequentEvent, us-gaap:LondonInterbankOfferedRateLIBOR



Period End2020-04-01
Value0.012
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:LongtermDebtType

us-gaap:DebtInstrumentPeriodicPaymentPrincipal

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1513131313131314141615
Percentage of DebtInstrumentPeriodicPaymentPrincipal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-06-302011-03-31
Value27426227224824324224323622823823022422822721822622822220520818819520021423323724220018714212713112510770
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-75-1-12-1-877000-1020000058-100
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0000000000000-520
Percentage of DerivativeGainLossOnDerivativeNet-0.00.0-0.0-0.00.0-0.0-0.00.00.00.0-0.0-0.0-0.07400.0100.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-75-1-12-1-877000
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-03-31
Value65
Percentage of DerivativeGainLossOnDerivativeNet-86.8214.4

us-gaap:Nondesignated



Period End2020-03-312019-03-31
Value0-1
Percentage of DerivativeGainLossOnDerivativeNet1.2-61.8

us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value040012010026211012
Percentage of DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization0.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationInterestExpense

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value030000000111
Percentage of DisposalGroupIncludingDiscontinuedOperationInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value278422701922212220221922
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1949142982361017532123
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value48177371122756293543995260
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3563533533443283243233233213213183153123083073052921414-289-2721678-246-231-230-220-219-200-199-192-159-158-142-128-127-126-102-93-86-84-84
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

well:AccumulatedDistributions



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value356353353344328324323323321321318315
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-109-4-22-30-5021282
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3000000000-320000000000124-8000-21004
Percentage of EquityMethodInvestmentDividendsOrDistributions100.00.0100.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:ExtinguishmentOfDebtAmount

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value163642361141090131837615
Percentage of ExtinguishmentOfDebtAmount100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value022720570105001000045005
Percentage of ExtinguishmentOfDebtAmount0.0624.04883.60.0916.50.00.00.0245.40.032.4

us-gaap:FinanceLeaseInterestExpense



Period End2020-03-312019-09-302019-06-302019-03-31
Value1111
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization



Period End2020-03-312019-09-302019-06-302019-03-31
Value2222
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation



Period End2020-03-312019-03-31
Value-85000.00.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation100.00.0

us-gaap:GainLossOnSaleOfProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value26212570-11674124103385614224420016210529-2-190-56196-29-130106-4
Percentage of GainLossOnSaleOfProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:GainsLossesOnExtinguishmentOfDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0-2-650-150-40-1100-5-31-1700000-18-15-6200-3400100000000-9-7-18
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.00.00.00.00.0100.0100.0100.0

us-gaap:GainsLossesOnSalesOfInvestmentRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value26212570-116741241033856142244200162102
Percentage of GainsLossesOnSalesOfInvestmentRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2131000600214020
Percentage of GainsLossesOnSalesOfInvestmentRealEstate81.212.1-0.10.1-0.015.5-0.2-0.063.5-0.7123.60.0

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value05190000000
Percentage of GainsLossesOnSalesOfInvestmentRealEstate-0.191.032.7-0.1-0.0-0.00.0-12.10.0

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value49051-116737241012313042
Percentage of GainsLossesOnSalesOfInvestmentRealEstate18.92.99.067.2100.189.8100.2100.036.523.5-11.4100.0

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value44433343537888000
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value75165781621368460159119-61841561181371932101671231961501641081158772383143-1168383753485053425-144221
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-154-138-212-154-171-154-148-132-136-173-133-130-130-209-118-143-145-187-109
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-204.5-83.5-271.7-95.2-125.5-184.1-244.6-83.1-114.1284.0-157.2-83.1-109.7-152.4-61.4-68.1-87.1-151.0-55.8

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value625950424648454231474542
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments82.735.664.626.333.957.774.027.026.4-77.853.227.0

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value738111211111279808473
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments97.2103.869.182.1184.349.767.599.547.1

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value941621591621499052169143-888170
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments124.698.0203.399.8109.5107.286.3106.4120.214.6104.6109.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3573-9-9001-2-593-3-23-2-1-1-3-3-2-2-12-7-2-11-5-40-52001111012110
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value111111111000
Percentage of IncomeLossFromEquityMethodInvestments-41.62.956.6-20.2-18.7651.3486.0111.4-50.6-1.423.9-15.2

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value-11-3-17-16-6-5-9-2-8
Percentage of IncomeLossFromEquityMethodInvestments298.6-118.3192.9180.2-1949.1-416.7390.3-84.7212.4

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value555655555453
Percentage of IncomeLossFromEquityMethodInvestments-157.09.5161.7-72.7-61.52911.81563.1405.3-239.6-7.5160.7-97.2

us-gaap:IncreaseDecreaseInOtherOperatingAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-43554-2125-17-421-5-10982-913-17324-1-4301922-2630218-1829296-1-81412-10-32172919-946
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-30-29-5482-27-325657-10-1441015019-673557-20-603257-47-29-2430-2557-1571821022-6-10-17-19572405
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value0.00.00.01000.06000.014000.015000.040000.050000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements0.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestCostsCapitalized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value444321122-2-2-2-1-1-1-2-1-1-1-2-2-2-2-3-3-2-4-4-3-5-7
Percentage of InterestCostsCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0100000
Percentage of InterestCostsCapitalized20.926.025.134.431.029.725.6

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2221000
Percentage of InterestCostsCapitalized59.258.161.748.842.942.538.1

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
Percentage of InterestCostsCapitalized19.815.813.216.826.027.936.3

us-gaap:InterestPaidCapitalized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value44432112232344443122
Percentage of InterestPaidCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidNet



Period End2020-03-312019-12-312019-03-312018-12-31
Value140158148188
Percentage of InterestPaidNet100.0100.0100.0100.0

us-gaap:LeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value10698
Percentage of LeaseCost100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityAverageOutstandingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value159376129618077901311519562364-4450561796-19105062367150298501408-46100375286-39562299723-641651224808714003193220293283
Percentage of LineOfCreditFacilityAverageOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityInterestRateDuringPeriod



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.0221-0.00179999999999999950.02820.03080.03220.00120000000000000310.030.03040.02720.00069999999999999920.02190.01940.01810.00039999999999999930.01440.01260.01290.00.01160.01130.01210.00099999999999999920.01670.01370.01340.000200000000000000520.01510.01380.01389.99999999999994e-050.0230.01650.0165
Percentage of LineOfCreditFacilityInterestRateDuringPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumMonthendOutstandingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value210001335288011500214868586506456401010015607459453004905354300235637562010196007800145393897215390204950560431425
Percentage of LineOfCreditFacilityMaximumMonthendOutstandingAmount100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:LoansAssumed1

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value034300421931408500
Percentage of LoansAssumed10.0100.00.00.0100.0100.0100.00.0100.00.00.0

us-gaap:MinorityInterestDecreaseFromRedemptions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-7273110-4865015
Percentage of MinorityInterestDecreaseFromRedemptions100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-37-1323861413
Percentage of MinorityInterestDecreaseFromRedemptions472.5-47.474.885.5-1.329.282.9

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value294071-492352
Percentage of MinorityInterestDecreaseFromRedemptions-372.5147.425.214.5101.370.817.1

us-gaap:Currency, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:NotionalAmountOfNonderivativeInstruments

currency:CAD, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-03-312018-12-312018-09-30
Value25025000
Percentage of NotionalAmountOfNonderivativeInstruments100.0100.00.00.0

currency:GBP, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-03-312018-12-312018-09-30
Value1050105000
Percentage of NotionalAmountOfNonderivativeInstruments420.0420.00.00.0

us-gaap:IncomeStatementLocation

us-gaap:OperatingLeaseCost

us-gaap:CostOfSales



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value66377
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0

us-gaap:GeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value10000
Percentage of OperatingLeaseCost19.55.414.15.64.9

us-gaap:OperatingLeaseLeaseIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value389409412385381343
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value198187184163149136
Percentage of OperatingLeaseLeaseIncome50.945.844.842.339.139.8

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value191221227222232206
Percentage of OperatingLeaseLeaseIncome49.154.255.257.760.960.2

us-gaap:OperatingLeaseVariableLeaseIncome



Period End2020-03-312019-03-31
Value5547
Percentage of OperatingLeaseVariableLeaseIncome100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-06-30
Value-265238-100-5478-4-3-50161437275-370-501-24-2532-29-32-4213-9-525-20-22-12-200
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:ForeignExchangeContract



Period End2020-03-312019-03-31
Value259-87
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value259-22278100-8711112150-62
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-06-30
Value-615-2146-9-4-3-5016293321-4-266-53-5-5-2729-43-29-4213-8-225-20-2203-100
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherDepreciationAndAmortization



Period End2020-03-312019-03-31
Value274243
Percentage of OtherDepreciationAndAmortization100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-03-31
Value7051
Percentage of OtherDepreciationAndAmortization25.620.9

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-03-31
Value146131
Percentage of OtherDepreciationAndAmortization53.453.9

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-03-31
Value5761
Percentage of OtherDepreciationAndAmortization21.025.1

us-gaap:OtherExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-30
Value6166218108810360996118030350100100
Percentage of OtherExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.00.0100.00.0

us-gaap:PaymentsForCapitalImprovements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value6912282675692626446916551427753523565189-37-29219-31-27-27-53-34-24-24
Percentage of PaymentsForCapitalImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForConstructionInProcess



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value486510210055722540223449796977751836679279-54-59338-45-42-52-68-59-79-408454719083609270
Percentage of PaymentsForConstructionInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

us-gaap:PaymentsForProceedsFromLoansReceivable

well:SeniorHousingOperating



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-03-31
Value02500110
Percentage of PaymentsForProceedsFromLoansReceivable100.0100.00.00.0100.00.0

us-gaap:PaymentsOfFinancingCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01584190114140116363116132040141211192022214381010
Percentage of PaymentsOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireCommercialRealEstate



Period End2020-03-312019-03-31
Value390237
Percentage of PaymentsToAcquireCommercialRealEstate100.0100.0

us-gaap:PaymentsToAcquireInterestInJointVenture



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1378575922694918144085213592261221223383106031214-281201359002270200021014159
Percentage of PaymentsToAcquireInterestInJointVenture100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireLoansReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10371919421518202713192525245423271522931384122242529392441116291591014852344103011
Percentage of PaymentsToAcquireLoansReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:SeniorHousingOperating



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-03-31
Value102500110
Percentage of PaymentsToAcquireLoansReceivable100.058.20.00.042.90.0

us-gaap:PaymentsToAcquireOtherInvestments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3-4891-149
Percentage of PaymentsToAcquireOtherInvestments100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToDevelopRealEstateAssets



Period End2020-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value21024231991919137
Percentage of PaymentsToDevelopRealEstateAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToMinorityShareholders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value50347442212326461235131820281414762381171216671312541456385970002
Percentage of PaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockDividendRatePercentage



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.00.00.00.00.00.00.00.0650.00.0
Percentage of PreferredStockDividendRatePercentage0.00.00.00.00.00.00.00.0100.00.00.0

us-gaap:ProceedsFromCollectionOfLoansReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value109525063158090134527824567493603320165925101017305491838439101261224944
Percentage of ProceedsFromCollectionOfLoansReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:SeniorHousingOperating



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-03-31
Value1000000
Percentage of ProceedsFromCollectionOfLoansReceivable100.00.00.00.00.00.0

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value31172851192938814111123244753711-8232789181510120164901200
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:ProceedsFromIssuanceOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value591370381135335472322790106304119143616593113797214898211581038636262168445452415321087646693313885084491917
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value442422482470024205128149122663186756855482118701041371011628111582580750
Percentage of ProceedsFromIssuanceOfSecuredDebt100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:LongtermDebtType

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value442422482470024205128
Percentage of ProceedsFromIssuanceOfSecuredDebt100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-04-032012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0721121610001036-122805450070000568870807430773000125800497118324959359400001381443445597335
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0100.0100.0100.00.0100.00.0100.00.00.00.0100.00.00.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value072712101000105002300550007
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.0100.999.5100.0101.3-0.0100.8100.90.00.0100.0

us-gaap:ProceedsFromMinorityShareholders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value91231127272259376263121269158224130012112028-10800001
Percentage of ProceedsFromMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-9-4-30-700-1-4-200-8000000-18-8000040-10-12-10
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfLinesOfCredit



Period End2020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-742-727-165772-32514629935-137-123-705605100-190345140-6041000-562432-704834-7107100-393388-605
Percentage of ProceedsFromRepaymentsOfLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value80149198414602333261558921403411610871812407130015614434517746830114009664262943071451243225121644484801638
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses



Period End2020-03-312020-03-312019-12-312019-09-302019-06-302019-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value67000181800006202000027001000028
Percentage of ProvisionForLoanAndLeaseLosses100.00.00.00.0100.00.00.00.00.0100.00.0100.00.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value700018
Percentage of ProvisionForLoanAndLeaseLosses102.50.00.00.0100.0

us-gaap:ProvisionForLoanLossesExpensed



Period End2020-03-312019-03-31
Value718
Percentage of ProvisionForLoanLossesExpensed100.0100.0

us-gaap:RealEstateCostOfRealEstateSold



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value52814131543623644548
Percentage of RealEstateCostOfRealEstateSold100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value49500000223
Percentage of RealEstateCostOfRealEstateSold93.70.00.00.00.00.040.6

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value33218643623644323
Percentage of RealEstateCostOfRealEstateSold6.315.443.8100.0100.0100.059.0

us-gaap:RepaymentsOfSecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3150555012812313271979330197822911901501301031451152085566901299850154181331821142638754016943
Percentage of RepaymentsOfSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfUnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0227205701050010000450050046500400241012-322-154412-4700300217000244125000000
Percentage of RepaymentsOfUnsecuredDebt0.0100.0100.00.0100.00.0100.00.0100.00.0100.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.00.00.00.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1081557
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value65776511
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation-566.74015.795.4487.8104.399.3156.2

us-gaap:CommonStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation-21.13.10.27.90.10.32.1

us-gaap:TreasuryStock



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-8-40-500-4
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation687.8-3780.35.4-394.0-1.50.6-58.3

us-gaap:StockIssuedDuringPeriodSharesDividendReinvestmentPlan



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value01004410011110101111010011100000000000000
Percentage of StockIssuedDuringPeriodSharesDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value158818.011652.024672.026625.0140940.02375.0-1169.04991.0109046.018564.0-23936.0-21891.0181600.0-40159.0-17148.0-23958.0484005.0-6942.0-34258.012222.0166815.01310.062114.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan



Period End2020-03-312019-03-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value143077881061118713150636366777058706161636162514037283023211-1473027147-971916
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueNewIssues



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value59038103532546231279010630411814360659347001423010959680001630002385010626113601358482
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value583381015255382282789105300117133556491460014040107895200002341010425993501329470
Percentage of StockIssuedDuringPeriodValueNewIssues98.898.898.698.698.598.598.198.298.598.698.698.598.498.798.698.498.5100.0100.098.6100.098.498.30.00.0100.0100.098.2100.098.197.998.0100.097.997.6

us-gaap:CommonStock



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value6017830011410401000190171600004302012002811
Percentage of StockIssuedDuringPeriodValueNewIssues1.21.21.41.41.51.51.91.81.51.41.41.51.61.31.41.61.5-0.0-0.01.4-0.01.61.70.00.0-0.0-0.01.8-0.01.92.12.0-0.02.12.4

us-gaap:StraightLineRent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2272526262521-3421152323182362429292929272324111514121520111010
Percentage of StraightLineRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubleaseIncome



Period End2020-03-312019-09-302019-06-302019-03-31
Value1111
Percentage of SubleaseIncome100.0100.0100.0100.0

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic



Period End2020-03-312019-03-31
Value10
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic100.0100.0

us-gaap:UndistributedEarningsLossAvailableToCommonShareholdersDiluted



Period End2020-03-312019-03-31
Value308280
Percentage of UndistributedEarningsLossAvailableToCommonShareholdersDiluted100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value2121111112220101111230111010000
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0

well:CashDistributionsToStockholders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value354352352352342342335335335332332330329
Percentage of CashDistributionsToStockholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:ComprehensiveIncomeExcludingRedeemableNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value32359719528211880118470-59123225333
Percentage of ComprehensiveIncomeExcludingRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:ConstructionInProgressConversions



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value112028089218524149187
Percentage of ConstructionInProgressConversions100.00.0100.00.0100.0100.0100.0100.0100.0100.0

well:DepreciationAmortizationRelatedToInPlaceLeaseIntangiblesAndLeaseCommissions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3533482824219-31-33-32-36-34-35-39
Percentage of DepreciationAmortizationRelatedToInPlaceLeaseIntangiblesAndLeaseCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:DevelopmentProjectsPlacedIntoService

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value190000
Percentage of DevelopmentProjectsPlacedIntoService100.00.00.00.00.0

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-30
Value93028049
Percentage of DevelopmentProjectsPlacedIntoService481.10.00.00.00.0

us-gaap:DisposalGroupClassification

well:DisposalGroupIncludingDiscontinuedOperationTotalExpense

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2812823831932222526453136
Percentage of DisposalGroupIncludingDiscontinuedOperationTotalExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:DrawsOnExistingLoans

well:SeniorHousingOperating



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-03-31
Value1000000
Percentage of DrawsOnExistingLoans100.00.00.00.00.00.0

well:EquityShelfPlanIssuancesAveragePrice



Period End2020-03-312019-12-312019-03-312018-12-312017-12-31
Value86.482.91000000000001174.223.230000000000004-0.5099999999999909
Percentage of EquityShelfPlanIssuancesAveragePrice100.0100.0100.0100.0100.0

well:EquityShelfPlanIssuancesGrossProceeds



Period End2020-03-312019-12-312019-03-312018-12-312017-12-31
Value5882582272360
Percentage of EquityShelfPlanIssuancesGrossProceeds100.0100.0100.0100.00.0

well:EquityShelfPlanIssuancesNetProceeds



Period End2020-03-312019-12-312019-03-312018-12-312017-12-31
Value5762582252350
Percentage of EquityShelfPlanIssuancesNetProceeds100.0100.0100.0100.00.0

well:EquityShelfPlanIssuancesSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value6301330
Percentage of EquityShelfPlanIssuancesSharesIssued100.0100.0100.0100.0100.0100.00.0

us-gaap:ShareRepurchaseProgram, us-gaap:StatementScenario

well:EquityShelfProgram, us-gaap:ScenarioForecast



Period End2020-12-312019-12-31
Value52
Percentage of EquityShelfPlanIssuancesSharesIssued0.070.2

well:ExpectedAdditionalPaymentsToDevelopRealEstateAssets



Period End2020-03-31
Value251
Percentage of ExpectedAdditionalPaymentsToDevelopRealEstateAssets100.0

us-gaap:AdjustmentsForNewAccountingPronouncements

well:FinancingReceivableAllowanceForCreditLossAdoption

us-gaap:AccountingStandardsUpdate201613



Period End2020-03-31
Value5
Percentage of FinancingReceivableAllowanceForCreditLossAdoption100.0

us-gaap:LongtermDebtType

well:ForeignCurrencyGainLossOnDebt

us-gaap:SecuredDebt



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value10218-18-26-173327
Percentage of ForeignCurrencyGainLossOnDebt100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1204625-37895-39
Percentage of ForeignCurrencyGainLossOnDebt118.3251.5-138.2143.3-46.8286.0-141.8

well:GainLossOnSaleOfOtherAssetsAndLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value102000-300501020
Percentage of GainLossOnSaleOfOtherAssetsAndLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:GrossProceedsFromIssuanceOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value602370381145385532332791106306120
Percentage of GrossProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:IncrementalCommonSharesAttributableToDilutiveEffectOfNonVestedRestrictedShares



Period End2020-03-312019-09-302019-03-312018-09-30
Value702000.0757000.0868000.0348000.0
Percentage of IncrementalCommonSharesAttributableToDilutiveEffectOfNonVestedRestrictedShares100.0100.0100.0100.0

well:IncrementalCommonSharesAttributableToRedeemableUnits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1011101110111
Percentage of IncrementalCommonSharesAttributableToRedeemableUnits100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

well:IncrementalCommonSharesAttributabletoDilutiveEffectofEmployeeStockPurchaseProgram



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value16000.01000.015000.015000.013000.0-1000.014000.00.00.00.00.0
Percentage of IncrementalCommonSharesAttributabletoDilutiveEffectofEmployeeStockPurchaseProgram100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:StatementBusinessSegments

well:InvestmentsInNewLoans

well:SeniorHousingOperating



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-03-31
Value02500110
Percentage of InvestmentsInNewLoans0.0100.00.00.0100.00.0

well:IssuanceOfCommonStockShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value74012083001141
Percentage of IssuanceOfCommonStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

well:LongTermDebtIssuedWeightedAverageInterestRate

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0258-0.004-0.00010000000000000286-0.00159999999999999730.03680.00020000000000000573-4.000000000000531e-05-0.00385999999999999540.03770.0008999999999999980.0039900000000000005
Percentage of LongTermDebtIssuedWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0-0.0013000000000000025-0.0010999999999999968-0.00309999999999999860.03890.00.00319999999999999450.04250.00.00029999999999999820.0194
Percentage of LongTermDebtIssuedWeightedAverageInterestRate0.032.51100.0193.8105.70.0-8000.0-1101.00.033.3486.2

well:NetOperatingIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value576600610618601590579557540556567556552
Percentage of NetOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskByBenchmark

well:NetOperatingingIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value576600610618601590579
Percentage of NetOperatingIncome100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

well:NetOperatingingIncome, well:BenchmarkSeniorLiving



Period End2020-03-312019-06-302019-03-312018-12-312018-09-30
Value1930252425
Percentage of NetOperatingIncome3.44.94.24.14.4

well:NetOperatingingIncome, well:GenesisHealthCareCorporation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value29292928323534
Percentage of NetOperatingIncome5.14.94.84.65.45.96.0

well:NetOperatingingIncome, well:ProMedica



Period End2020-03-31
Value53
Percentage of NetOperatingIncome9.3

well:NetOperatingingIncome, well:RemainingPortfolio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value359378403385363384361
Percentage of NetOperatingIncome62.463.166.062.460.465.162.4

well:NetOperatingingIncome, well:Revera



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value32363736363837
Percentage of NetOperatingIncome5.76.16.15.96.16.46.5

well:NetOperatingingIncome, well:Sunrise



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value81858283908386
Percentage of NetOperatingIncome14.114.213.613.515.114.114.9

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0000200000000
Percentage of NetOperatingIncome0.10.10.10.10.40.10.10.10.10.10.10.00.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value138130124112101101939292989696
Percentage of NetOperatingIncome24.021.720.518.216.817.116.216.717.117.717.117.3

us-gaap:OperatingSegments, well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value243254278264265239225225218
Percentage of NetOperatingIncome42.241.644.944.045.943.041.739.739.3

us-gaap:OperatingSegments, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value194226230227233234218224222231244241
Percentage of NetOperatingIncome33.737.837.836.838.839.737.840.341.241.543.243.3

well:OtherComprehensiveIncomeLossNetofTaxExcludingRedeemableNoncontrollingInterest



Period End2020-03-31
Value-6
Percentage of OtherComprehensiveIncomeLossNetofTaxExcludingRedeemableNoncontrollingInterest100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-31
Value15
Percentage of OtherComprehensiveIncomeLossNetofTaxExcludingRedeemableNoncontrollingInterest-265.2

us-gaap:NoncontrollingInterest



Period End2020-03-31
Value-21
Percentage of OtherComprehensiveIncomeLossNetofTaxExcludingRedeemableNoncontrollingInterest365.2

well:PreferredStockConvertedDividendPercentage



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.00.00.00.0650.00.00.00.0650.00.0650.00.0
Percentage of PreferredStockConvertedDividendPercentage0.00.00.00.0100.00.00.00.0100.00.0100.00.00.0

well:PreferredStockSharesConvertedPeriod



Period End2020-03-312019-03-312018-03-312017-03-31
Value01400
Percentage of PreferredStockSharesConvertedPeriod0.0100.0100.00.0

us-gaap:StatementBusinessSegments

well:PrincipalPaymentsOnLoans

well:SeniorHousingOperating



Period End2020-03-312019-03-312018-09-302018-06-302018-03-312017-03-31
Value1000000
Percentage of PrincipalPaymentsOnLoans100.00.00.00.00.00.0

well:ProfitLossExcludingRedeemableNoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value32961914929112383168454-8890203338
Percentage of ProfitLossExcludingRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value18291110972510431
Percentage of ProfitLossExcludingRedeemableNoncontrollingInterest5.84.87.63.77.99.41.41.1-12.35.11.70.5

us-gaap:RetainedEarningsUnappropriated



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value31058913728011376166449-9985200336
Percentage of ProfitLossExcludingRedeemableNoncontrollingInterest94.295.292.496.392.190.698.698.9112.394.998.399.5

us-gaap:LongtermDebtType

well:RateOnNotesExtinguished

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0451-0.00020000000000000573-0.0005000000000000004-0.0053999999999999950.0496-0.00299999999999999571.9999999999999185e-05-0.00152000000000000050.0581-0.0006999999999999992-0.0005000000000000004
Percentage of RateOnNotesExtinguished100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0-0.0007999999999999952-0.00510.00.04980.00.01210.00.02250.00.0183
Percentage of RateOnNotesExtinguished0.0400.01020.0-0.0100.4-0.060500.0-0.038.7-0.0-3660.0

us-gaap:LongtermDebtType

well:RateOnNotesForeignCurrency

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.03270.0008000000000000021-0.00170000000000000010.00039999999999999760.03330.0004000000000000045-0.0003500000000000031-5.000000000000143e-050.0333-0.00039999999999999760.0008400000000000005
Percentage of RateOnNotesForeignCurrency100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0415-0.00129999999999999560.008299999999999995-0.0080999999999999960.0433-0.00139999999999999850.0027799999999999978-0.0119800000000000050.05220.0005000000000000004-0.0008000000000000021
Percentage of RateOnNotesForeignCurrency126.9-162.5-488.2-2025.0130.0-350.0-794.323960.0156.8-125.0-95.2

us-gaap:LongtermDebtType

well:RateOnSecuredDebtAssumed

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0-0.0027999999999999970.00.00.04620.0034000000000000002-0.0009500000000000064-4.999999999999449e-050.0440.00.0
Percentage of RateOnSecuredDebtAssumed0.0100.00.00.0100.0100.0100.0100.0100.00.00.0

us-gaap:LongtermDebtType

well:RateOnSecuredDebtPrincipalPayment

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.03780.0005999999999999964-0.0005000000000000004-0.00109999999999999680.03850.0-1.9999999999999185e-050.00042000000000000370.03870.0-0.0003799999999999984
Percentage of RateOnSecuredDebtPrincipalPayment100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0

well:RentalIncomeRelatedToAboveBelowMarketTenantLeases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-524000.0718000.0-291000.0-73000.0-155000.0-291000.0-294000.0-333000.0-351000.0130000.0173000.0267000.0304000.0
Percentage of RentalIncomeRelatedToAboveBelowMarketTenantLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:StockIssuedDuringPeriodAveragePriceDividendReinvestmentPlan



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value84.541.59000000000000340.390000000000000570.159999999999996675.041.31000000000000238.839999999999996-0.1099999999999994355.51-1.17000000000000170.59000000000000342.21999999999999968.33
Percentage of StockIssuedDuringPeriodAveragePriceDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:StockIssuedDuringPeriodGrossProceedsDividendReinvestmentPlan



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value141121112311315102278810611287
Percentage of StockIssuedDuringPeriodGrossProceedsDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsAndNotesReceivableNet



Period End2020-03-312019-12-312018-12-31
Value594607612
Percentage of AccountsAndNotesReceivableNet100.0100.0100.0

us-gaap:AccountsReceivableGross



Period End2020-03-312019-12-312018-12-31
Value451362282
Percentage of AccountsReceivableGross100.0100.0100.0

us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

well:NonRealEstateLoansReceivables



Period End2020-03-31
Value86
Percentage of AccountsReceivableGross19.1

us-gaap:AccountsReceivableNet



Period End2020-03-312019-12-312018-12-31
Value373336282
Percentage of AccountsReceivableNet100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value2022
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable



Period End2020-03-312019-12-312018-12-31
Value78250
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.00.0

us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

well:NonRealEstateLoansReceivables



Period End2020-03-31
Value42
Percentage of AllowanceForDoubtfulAccountsReceivable54.3

us-gaap:AllowanceForLoanAndLeaseLossesRealEstate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value7568686887686868686855660000000000111157
Percentage of AllowanceForLoanAndLeaseLossesRealEstate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value404947454444424139
Percentage of BelowMarketLeaseAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value869994948290808068
Percentage of BelowMarketLeaseGross100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BelowMarketLeaseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value454947483845373829
Percentage of BelowMarketLeaseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value273413985275229521
Percentage of BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0100000
Percentage of BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue0.02.90.00.00.00.00.0

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value239387995
Percentage of BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue100.094.697.488.21.9100.0100.0

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value011151200
Percentage of BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue0.02.52.611.898.10.00.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value30436762588240423233432854578415836
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1711324119860794242
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings56.351.249.826.12.87.410.3

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1321138110997535535372
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings43.544.046.242.018.892.689.7

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value01259674223900
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBuildings0.34.94.031.978.50.00.1

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value342591651441513091735487
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2310485101155
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles68.863.059.367.412.37.910.7

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1061584686848
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles31.237.040.732.674.292.189.3

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value00001200
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles0.00.00.00.013.50.00.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value56472309243435424795644116
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value40187132291877
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand72.260.554.267.33.912.916.7

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value151071036474735
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand27.834.942.515.710.084.179.5

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0148741311
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLand0.04.63.317.086.23.03.8

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value24931241194635013310510396
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2716721500
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities75.257.456.66.211.70.60.6

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0525144104104102
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities24.842.643.493.878.499.499.4

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value00001300
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities0.00.10.00.09.90.00.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value396453831822890293443738467105141045
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value236167414721021315555
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets59.652.651.034.83.47.910.9

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value15913671313109652653456
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets40.243.045.437.417.091.988.8

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value013910481306211
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets0.24.43.627.879.60.20.4

us-gaap:FairValueByMeasurementBasis

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value303284265268249215
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value303284265268249215
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:ConstructionInProgressGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5734926416159164947029242
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1342261416112
Percentage of ConstructionInProgressGross23.816.016.524.517.716.19.6

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2918411037282010
Percentage of ConstructionInProgressGross52.069.868.662.729.829.536.2

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1337247493815
Percentage of ConstructionInProgressGross24.314.214.912.852.554.454.3

us-gaap:CumulativeDividends



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302011-12-31
Value125791222311870115161116310818104781014298079471913888058474814478167491716868466537-6230-59245635-5358-5096-48484600436341273910369433092972
Percentage of CumulativeDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentFaceAmount

well:TermCreditFacility, us-gaap:UnsecuredDebt, us-gaap:SubsequentEvent



Period End2020-04-01
Value1000
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentFairValue

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value290129902623267526602476
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value303230412688273727092499
Percentage of DebtInstrumentFairValue104.5101.7102.5102.3101.9100.9

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate

us-gaap:DebtInstrumentInterestRateEffectivePercentage

well:TermLoan, us-gaap:UnsecuredDebt, well:CanadianDealerOfferedRate



Period End2020-03-312019-09-302019-06-302019-03-31
Value0.02490.02860.02860.0288
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0

well:UnsecuredTermCreditFacility, us-gaap:UnsecuredDebt, us-gaap:LondonInterbankOfferedRateLIBOR



Period End2020-03-312019-09-302019-06-302019-03-31
Value0.01650.02960.03290.0338
Percentage of DebtInstrumentInterestRateEffectivePercentage66.3103.5115.0117.4

us-gaap:DeferredRentReceivablesNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value449466432419395367388367406389393370348342455449425395366336307279
Percentage of DeferredRentReceivablesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Currency, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:DerivativeAssetNotionalAmount

currency:CAD, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value700725725500575
Percentage of DerivativeAssetNotionalAmount100.0100.0100.0100.0100.0

currency:GBP, us-gaap:NetInvestmentHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value1340134013401340890
Percentage of DerivativeAssetNotionalAmount191.5184.9184.9268.1154.9

currency:USD, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument



Period End2020-03-312019-12-312018-12-31
Value118811880
Percentage of DerivativeAssetNotionalAmount169.8163.90.0

us-gaap:Currency, us-gaap:HedgingDesignation, us-gaap:Position

currency:CAD, us-gaap:Nondesignated, us-gaap:Short



Period End2020-03-312019-12-312018-12-31
Value800405
Percentage of DerivativeAssetNotionalAmount11.40.070.4

currency:GBP, us-gaap:Nondesignated, us-gaap:Short



Period End2020-03-312019-12-312018-12-31
Value125125350
Percentage of DerivativeAssetNotionalAmount17.917.260.9

us-gaap:Currency, us-gaap:HedgingDesignation, us-gaap:Position

us-gaap:DerivativeLiabilityNotionalAmount

currency:GBP, us-gaap:Nondesignated, us-gaap:Long



Period End2020-03-312019-12-312018-12-31
Value125125350
Percentage of DerivativeLiabilityNotionalAmount100.0100.0100.0

us-gaap:DevelopmentInProcess



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value43150746636325319413520018023734432139050652947529725819715921118617912414414115813786162170150189208212353356
Percentage of DevelopmentInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Range, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOwnershipPercentage

srt:Maximum, well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.250.340.490.490.490.49
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0100.0

srt:Minimum, well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value0.150.430.430.430.43
Percentage of EquityMethodInvestmentOwnershipPercentage60.0126.587.887.887.8

us-gaap:EquitySecuritiesFvNi



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value815101113
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value815101113
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value81510111311
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value81510111311
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.00.0

us-gaap:FinanceLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value10810811010879
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:OperatingSegments



Period End2020-03-312019-12-31
Value160162
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLosses



Period End2020-03-312019-12-312019-03-312018-12-31
Value80428768
Percentage of FinancingReceivableAllowanceForCreditLosses100.0100.0100.0100.0

us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:RealEstateLoan



Period End2020-03-312019-12-31
Value242
Percentage of FinancingReceivableAllowanceForCreditLosses3.1100.0

us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

well:CollectiveLoanPool1



Period End2020-03-31
Value1
Percentage of FinancingReceivableAllowanceForCreditLosses2.3

well:CollectiveLoanPool2



Period End2020-03-31
Value1
Percentage of FinancingReceivableAllowanceForCreditLosses1.9

well:CollectiveLoanPool3



Period End2020-03-31
Value0
Percentage of FinancingReceivableAllowanceForCreditLosses1.2

well:CollectiveLoanPool4



Period End2020-03-31
Value0
Percentage of FinancingReceivableAllowanceForCreditLosses0.3

well:CollectiveLoanPool5



Period End2020-03-31
Value0
Percentage of FinancingReceivableAllowanceForCreditLosses0.7

well:DeterioratedLoans



Period End2020-03-31
Value75
Percentage of FinancingReceivableAllowanceForCreditLosses93.5

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1195118112061163121411971190115011491125109810531010966971949923881836814789-776749713649-571-472375315-257-148
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value16291617160415891539158115621534154815021492143614211402142313451346135012081214118711351092108410661070
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:AboveMarketLeases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value605969696463595858
Percentage of FiniteLivedIntangibleAssetsGross3.73.74.34.44.24.03.83.83.9

us-gaap:LeasesAcquiredInPlace



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value152315131486147314301410139813801395135213331278126712521272119411961179104210491037988950947930937
Percentage of FiniteLivedIntangibleAssetsGross93.593.692.692.792.989.289.589.990.190.089.489.089.289.389.488.888.987.386.386.487.487.087.087.487.387.5

well:LeaseCommissions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value45434846444139363533
Percentage of FiniteLivedIntangibleAssetsGross2.82.73.12.92.92.72.52.42.32.2

us-gaap:FairValueByMeasurementBasis

us-gaap:ForeignCurrencyContractAssetFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value21018153915394
Percentage of ForeignCurrencyContractAssetFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value21018153915394
Percentage of ForeignCurrencyContractAssetFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:ForeignCurrencyContractsLiabilityFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value875359328571
Percentage of ForeignCurrencyContractsLiabilityFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value875359328571
Percentage of ForeignCurrencyContractsLiabilityFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value123-359459-3223-4350-29-23-414310013112999971298318725531-193-11-718363-7
Percentage of ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableRecordedInvestment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1851881881882061892012142142822822893173770000210469
Percentage of ImpairedFinancingReceivableRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:InterestReceivable



Period End2020-03-312019-12-31
Value76
Percentage of InterestReceivable100.0100.0

us-gaap:InvestmentBuildingAndBuildingImprovements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value292362916328798286912804728019279802544325672253732601025399249302449625671252932571225522242732409723192217992131021151207692062520387187761781415635140571357513073121141149787077627
Percentage of InvestmentBuildingAndBuildingImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LandAndLandImprovements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302011-12-31
Value35143486337033373238320531932746279327342806274626502591260325372596256322412244216020461971191618831878186917101592136511891116
Percentage of LandAndLandImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value844158713341869419114713125408657194203855226451350745645835490350410000562130847071003935610390003000206425140
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0

us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value7959455009350
Percentage of LineOfCredit94.159.537.550.00.0

us-gaap:FairValueByMeasurementBasis

us-gaap:LinesOfCreditFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-03-312018-12-31
Value84415874191147
Percentage of LinesOfCreditFairValueDisclosure100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8441587133418694191147
Percentage of LinesOfCreditFairValueDisclosure100.0100.00.00.0100.0100.0

us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:LoansReceivableFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value96145252264249
Percentage of LoansReceivableFairValueDisclosure100.0100.0100.0100.0100.0

us-gaap:CarryingReportedAmountFairValueDisclosure, well:NonRealEstateLoansReceivables



Period End2020-03-312019-12-312018-12-31
Value373336282
Percentage of LoansReceivableFairValueDisclosure386.8231.2113.4

us-gaap:CarryingReportedAmountFairValueDisclosure, well:OtherRealEstateLoansReceivable



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value12412410810481
Percentage of LoansReceivableFairValueDisclosure129.385.643.139.632.6

us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:Mortgages



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value96150257274257
Percentage of LoansReceivableFairValueDisclosure100.2103.1101.8103.7103.3

us-gaap:EstimateOfFairValueFairValueDisclosure, well:NonRealEstateLoansReceivables



Period End2020-03-312019-12-312018-12-31
Value418379384
Percentage of LoansReceivableFairValueDisclosure433.5260.3154.2

us-gaap:EstimateOfFairValueFairValueDisclosure, well:OtherRealEstateLoansReceivable



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value12312810910582
Percentage of LoansReceivableFairValueDisclosure127.688.243.340.033.2

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value815582808949780078276452852165206045597867816708649664728011799874236647642964395622586659916021598859715509546753665317477242984252494949484869
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value9851006115711661158863110710851072105812731243108010771404136613631249104198795196412221155114611341534127311721122132812851114111111101031
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive12.112.112.915.014.813.413.016.617.717.718.818.516.616.617.517.118.418.816.215.316.916.420.419.219.119.027.923.321.821.127.829.926.222.522.421.2

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value71697274779266336668558974145435
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive87.987.987.185.085.286.687.083.4

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2753542563123841108170197350846121173284550763044349471062843323995011719033037540540041026442619971419
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2753542563123845081701973503961211732845507630443454710622733239950117190330751051001101922412271419
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0100.0100.045.9100.0100.0100.046.8100.0100.0100.0100.0100.0100.0100.057.8100.080.0100.0100.0100.0100.0100.0100.020.226.025.126.87.452.661.4100.0100.0100.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0000060000
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths0.00.00.00.00.054.10.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1645165421182121211521088258248248341371135613661485855856863840166116731668168516058808798797917867707701001974890431431414
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value295304329330328325225224224234221214228349176176182173374373371370432430429429341336320320301274190181181164
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive18.018.415.615.615.515.427.327.227.328.116.215.816.823.520.720.621.120.722.622.322.322.026.948.948.848.843.242.841.641.630.128.121.442.042.039.7

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value135013501788179017871783600600
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive82.081.684.484.484.584.672.772.8

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value22502260363952883880797148013721371881837825840103099016781661100810078948868037777747741584157815281028464432434186186184
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value473467353352283280347340228221184156149166425385385380558557444436353327324324384378328328214182184186186184
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour21.020.797.237.032.131.943.623.016.716.220.918.718.219.941.338.923.022.955.455.449.749.344.042.141.941.924.224.021.532.046.242.242.4100.0100.0100.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value17771792106006006004501140
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour79.079.32.863.067.968.156.477.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value459431380833826819828824828881109110851104122811101081108111008498508298081095157215811582896889720725201198203575574405
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value449421380383376369138138138184491480499623660631631650399400379358395372381382403401224224201198203275274105
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree97.897.7100.046.045.645.116.816.816.720.945.144.345.250.859.558.458.459.147.047.145.744.336.123.724.124.245.045.131.230.9100.0100.0100.047.847.825.9

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value10100450450450689685
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree2.22.30.054.054.454.983.283.2

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4244393871381373815108910761083112287685587111471006100694092686488611931112657893879894326343278204520470592182178262
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value424439160144140138489476483522426405421697556556490476464486493412407409403409326343278204220170292105101185
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.041.510.537.817.044.944.244.646.548.747.448.460.855.355.352.251.453.754.941.337.162.045.845.845.8100.0100.0100.0100.042.336.349.458.057.070.7

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value002261236232677600600
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo0.00.058.589.562.283.055.155.8

us-gaap:LongtermDebtType

us-gaap:LongtermDebtWeightedAverageInterestRate

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value0.03630.03630.03660.03840.03840.0390.03790.037550.0370.037610.03740.036690.040940.0444
Percentage of LongtermDebtWeightedAverageInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value0.03970.04030.04120.04240.04350.04480.04450.044560.04450.043060.04290.042760.042450.0424
Percentage of LongtermDebtWeightedAverageInterestRate109.4111.0112.6110.4113.3114.9117.4118.7120.3114.5114.7116.5103.795.5

us-gaap:FairValueByMeasurementBasis

us-gaap:NotesPayableFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value102181033697301060696329603
Percentage of NotesPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value105651140010229110261040910043
Percentage of NotesPayableFairValueDisclosure103.4110.3105.1104.0108.1104.6

us-gaap:NotesReceivableGross



Period End2020-03-31
Value674
Percentage of NotesReceivableGross100.0

us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:MortgageReceivables



Period End2020-03-312019-12-312018-12-31
Value97188317
Percentage of NotesReceivableGross14.50.00.0

well:OtherRealEstateLoansReceivables



Period End2020-03-312019-12-312018-12-31
Value12512481
Percentage of NotesReceivableGross18.60.00.0

us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

well:CollectiveLoanPool1



Period End2020-03-31
Value128
Percentage of NotesReceivableGross19.1

well:CollectiveLoanPool2



Period End2020-03-31
Value183
Percentage of NotesReceivableGross27.1

well:CollectiveLoanPool3



Period End2020-03-31
Value117
Percentage of NotesReceivableGross17.4

well:CollectiveLoanPool4



Period End2020-03-31
Value15
Percentage of NotesReceivableGross2.4

well:CollectiveLoanPool5



Period End2020-03-31
Value43
Percentage of NotesReceivableGross6.5

well:DeterioratedLoans



Period End2020-03-31
Value185
Percentage of NotesReceivableGross27.6

us-gaap:NotesReceivableNet



Period End2020-03-312019-12-312018-12-31
Value594270330
Percentage of NotesReceivableNet100.0100.0100.0

us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

well:CollectiveLoanPool1



Period End2020-03-31
Value127
Percentage of NotesReceivableNet21.4

well:CollectiveLoanPool2



Period End2020-03-31
Value181
Percentage of NotesReceivableNet30.6

well:CollectiveLoanPool3



Period End2020-03-31
Value116
Percentage of NotesReceivableNet19.5

well:CollectiveLoanPool4



Period End2020-03-31
Value15
Percentage of NotesReceivableNet2.6

well:CollectiveLoanPool5



Period End2020-03-31
Value43
Percentage of NotesReceivableNet7.3

well:DeterioratedLoans



Period End2020-03-31
Value110
Percentage of NotesReceivableNet18.6

us-gaap:ConcentrationRiskByBenchmark

us-gaap:NumberOfRealEstateProperties

well:NetOperatingingIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value1563.01578.01539.01598.01494.0
Percentage of NumberOfRealEstateProperties100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

well:NetOperatingingIncome, well:BenchmarkSeniorLiving



Period End2020-03-312019-12-312019-06-302019-03-31
Value21.021.048.048.0
Percentage of NumberOfRealEstateProperties1.31.33.03.2

well:NetOperatingingIncome, well:GenesisHealthCareCorporation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value52.054.054.060.063.0
Percentage of NumberOfRealEstateProperties3.33.43.53.84.2

well:NetOperatingingIncome, well:ProMedica



Period End2020-03-312019-12-31
Value215.0218.0
Percentage of NumberOfRealEstateProperties13.813.8

well:NetOperatingingIncome, well:RemainingPortfolio



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value1016.01026.0983.01009.0906.0
Percentage of NumberOfRealEstateProperties65.065.063.963.160.6

well:NetOperatingingIncome, well:Revera



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value94.094.098.098.098.0
Percentage of NumberOfRealEstateProperties6.06.06.46.16.6

well:NetOperatingingIncome, well:Sunrise



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value165.0165.0165.0165.0161.0
Percentage of NumberOfRealEstateProperties10.610.510.710.310.8

us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:VariableInterestEntityNotPrimaryBeneficiary



Period End2020-03-312019-12-31
Value8.07.0
Percentage of NumberOfRealEstateProperties0.50.4

us-gaap:OperatingLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value356364343360347
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0

us-gaap:OtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2547757215820832044686650721626560626632708826812688692706682611641727668574534553585598490411407381380337342322328
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherFiniteLivedIntangibleAssetsGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value162916171604158915391581156215341548150214921436142114021423134513461350120812141187113510921084106610701050928811673524497428361347347258
Percentage of OtherFiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value9971009102510761000103410749849489111027893817827767728665697686650604626677678612640660539518462400393371342325334244
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value000001414141414141414252525252525252525252525262626262626372525252511
Percentage of PreferredStockSharesIssued0.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value0000014141414141414142525252525252525252525252626262626262637252525251111
Percentage of PreferredStockSharesOutstanding0.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateHeldforsale



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value729125333617043305906195473687347014117810449135012931692293522343234777181823136245193165365187123
Percentage of RealEstateHeldforsale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations



Period End2020-03-312019-09-30
Value729336
Percentage of RealEstateHeldforsale100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-05-07
Value412
Percentage of RealEstateHeldforsale0.0

us-gaap:RealEstateInvestmentPropertyAccumulatedDepreciation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value5910571557695539567054995394511349904838482645684335409342434109403237963553-3363-31863020-2959-2809-2617238621681933173915551369127211941084968867836
Percentage of RealEstateInvestmentPropertyAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestmentPropertyNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value296303031228807301452773928090280972535725573257432589825476252352594726898260422621326069245962470423800224712164121545212652134821299196511860216527147651426213649126441209194338155
Percentage of RealEstateInvestmentPropertyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RealEstateInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302011-12-31
Value3037531119297053106428592284202843825738259412617126389259902580326563275282669026938268882534925464245452285121959219122161721680216061996418879174231506513942
Percentage of RealEstateInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value956960
Percentage of RealEstateInvestments3.13.1

us-gaap:RealEstateInvestmentsJointVentures



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value702583556519484482423450445
Percentage of RealEstateInvestmentsJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value183111139130113103928870
Percentage of RealEstateInvestmentsJointVentures26.119.225.025.023.521.521.719.615.8

well:SeniorsHousingOperating



Period End2020-03-312019-12-312018-12-312017-12-31
Value511463344352
Percentage of RealEstateInvestmentsJointVentures72.879.571.479.1

well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7789934212222
Percentage of RealEstateInvestmentsJointVentures1.11.31.41.82.07.15.04.95.1

us-gaap:RedeemableNoncontrollingInterestEquityOtherFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value4294754704834504244003983883753863883853983933943591831641599286763534353132333433
Percentage of RedeemableNoncontrollingInterestEquityOtherFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value891006491158100905765
Percentage of RestrictedCash100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value891006491158100
Percentage of RestrictedCash100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value891006491158100
Percentage of RestrictedCash100.0100.0100.0100.0100.0100.0

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2901299026232675266024762465245024882608271326702669347733173442351535092975306630102977289328502917305831152875245223362299235321121888188917111125
Percentage of SecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value458460
Percentage of SecuredDebt15.815.4

us-gaap:UnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1021810336973010606963296039655837379248331831582508188816186888711882885487926806075187766730574117377737963956604661061144910443644344432442944273034
Percentage of UnsecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:Accruals



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3000240
Percentage of Accruals100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1000240
Percentage of Accruals33.2100.0100.0100.0100.0100.0100.0

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2000000
Percentage of Accruals66.8-0.0-0.00.00.00.00.0

well:BusinessAcquisitionPurchasePriceAllocationAccruedExpensesAndOtherLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value244333124628151370
Percentage of BusinessAcquisitionPurchasePriceAllocationAccruedExpensesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value223221000
Percentage of BusinessAcquisitionPurchasePriceAllocationAccruedExpensesAndOtherLiabilities75.270.772.269.73.24.14.7

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0980141412
Percentage of BusinessAcquisitionPurchasePriceAllocationAccruedExpensesAndOtherLiabilities24.829.027.830.351.095.895.3

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value00001300
Percentage of BusinessAcquisitionPurchasePriceAllocationAccruedExpensesAndOtherLiabilities0.00.30.00.045.80.00.0

well:BusinessAcquisitionPurchasePriceAllocationCapitalImprovementsToExistingProperties



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value693282061245626617311146250
Percentage of BusinessAcquisitionPurchasePriceAllocationCapitalImprovementsToExistingProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1335189392612
Percentage of BusinessAcquisitionPurchasePriceAllocationCapitalImprovementsToExistingProperties19.617.415.217.322.823.827.7

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5216097431277631
Percentage of BusinessAcquisitionPurchasePriceAllocationCapitalImprovementsToExistingProperties75.777.678.876.173.368.567.3

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value31073682
Percentage of BusinessAcquisitionPurchasePriceAllocationCapitalImprovementsToExistingProperties4.75.06.06.63.97.75.1

well:BusinessAcquisitionPurchasePriceAllocationCashDisbursed



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value39039593004271823735603190595405805
Percentage of BusinessAcquisitionPurchasePriceAllocationCashDisbursed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value23416021404991155555
Percentage of BusinessAcquisitionPurchasePriceAllocationCashDisbursed59.953.351.741.83.69.313.6

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1551263121057538538348
Percentage of BusinessAcquisitionPurchasePriceAllocationCashDisbursed39.942.144.524.316.990.485.9

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value013810380253711
Percentage of BusinessAcquisitionPurchasePriceAllocationCashDisbursed0.24.63.833.979.50.30.5

well:BusinessAcquisitionPurchasePriceAllocationCashDisbursedForConstructionInProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4832325815555160886222232
Percentage of BusinessAcquisitionPurchasePriceAllocationCashDisbursedForConstructionInProgress100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value113924131253
Percentage of BusinessAcquisitionPurchasePriceAllocationCashDisbursedForConstructionInProgress23.315.316.024.814.29.413.6

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value241821073427204
Percentage of BusinessAcquisitionPurchasePriceAllocationCashDisbursedForConstructionInProgress50.170.669.162.531.531.920.4

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1236237473615
Percentage of BusinessAcquisitionPurchasePriceAllocationCashDisbursedForConstructionInProgress26.614.114.912.754.358.766.0

well:BusinessAcquisitionPurchasePriceAllocationNetCashInvested



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value508461134692998349398734527694741288
Percentage of BusinessAcquisitionPurchasePriceAllocationNetCashInvested100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value259167714481221678771
Percentage of BusinessAcquisitionPurchasePriceAllocationNetCashInvested50.948.448.335.14.911.415.0

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value23216061415135693634384
Percentage of BusinessAcquisitionPurchasePriceAllocationNetCashInvested45.746.347.238.820.182.580.9

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value171851339125914719
Percentage of BusinessAcquisitionPurchasePriceAllocationNetCashInvested3.35.34.526.175.16.14.1

well:BusinessAcquisitionPurchasePriceAllocationReceivablesAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value01774042103
Percentage of BusinessAcquisitionPurchasePriceAllocationReceivablesAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000000
Percentage of BusinessAcquisitionPurchasePriceAllocationReceivablesAndOtherAssets35.15.97.60.00.20.10.4

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0640110
Percentage of BusinessAcquisitionPurchasePriceAllocationReceivablesAndOtherAssets64.994.192.4100.048.699.999.6

well:TripleNet



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0000100
Percentage of BusinessAcquisitionPurchasePriceAllocationReceivablesAndOtherAssets0.00.00.00.051.20.00.0

well:BusinessAcquisitionPurchasePriceAllocationSecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0401434343303104898925
Percentage of BusinessAcquisitionPurchasePriceAllocationSecuredDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value00001400
Percentage of BusinessAcquisitionPurchasePriceAllocationSecuredDebt0.00.00.00.014.10.00.0

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0434343898989
Percentage of BusinessAcquisitionPurchasePriceAllocationSecuredDebt0.0100.0100.0100.085.9100.0100.0

well:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value04747450
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiability0.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-31
Value047450
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLeaseLiability0.0100.0100.0100.0

well:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-06-30
Value058585620
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssetsNet0.0100.0100.0100.0100.00.0

us-gaap:StatementBusinessSegments

well:OutpatientMedical



Period End2020-03-312019-09-302019-06-302019-03-312018-06-30
Value0585620
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssetsNet0.0100.0100.0100.00.0

well:FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value13110223919296137661708281
Percentage of FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value815101113111221147
Percentage of FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis6.115.44.46.214.38.219.412.917.58.9

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1238622818082126531486774
Percentage of FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasis93.984.695.693.885.791.880.687.182.591.1

well:FinancingReceivableRecordedInvestmentNonAccrualStatusNumberOfLoans



Period End2020-03-31
Value40.0
Percentage of FinancingReceivableRecordedInvestmentNonAccrualStatusNumberOfLoans100.0

us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

well:CollectiveLoanPool1



Period End2020-03-31
Value15.0
Percentage of FinancingReceivableRecordedInvestmentNonAccrualStatusNumberOfLoans37.5

well:CollectiveLoanPool2



Period End2020-03-31
Value6.0
Percentage of FinancingReceivableRecordedInvestmentNonAccrualStatusNumberOfLoans15.0

well:CollectiveLoanPool3



Period End2020-03-31
Value7.0
Percentage of FinancingReceivableRecordedInvestmentNonAccrualStatusNumberOfLoans17.5

well:CollectiveLoanPool4



Period End2020-03-31
Value2.0
Percentage of FinancingReceivableRecordedInvestmentNonAccrualStatusNumberOfLoans5.0

well:CollectiveLoanPool5



Period End2020-03-31
Value6.0
Percentage of FinancingReceivableRecordedInvestmentNonAccrualStatusNumberOfLoans15.0

well:DeterioratedLoans



Period End2020-03-31
Value4.0
Percentage of FinancingReceivableRecordedInvestmentNonAccrualStatusNumberOfLoans10.0

well:LeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value46447345446942670
Percentage of LeaseLiability100.0100.0100.0100.0100.0100.0

well:LeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value523536536550502
Percentage of LeaseRightOfUseAsset100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

well:OperatingSegmentsAndCorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value534548541555506
Percentage of LeaseRightOfUseAsset102.2102.3100.9100.9100.7

well:LineOfCreditGross



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value845133518704191312540
Percentage of LineOfCreditGross100.0100.0100.0100.0100.0100.0

well:Loansandleasesreceivableimpairedendofperiodnotinallowanceforloanloss1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value110119119119119120133146146214277283310370
Percentage of Loansandleasesreceivableimpairedendofperiodnotinallowanceforloanloss1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility

well:MarginOverLibor

well:UnsecuredCreditFacilityInAlternateCurrencies



Period End2020-03-312019-09-302019-06-30
Value0.01820.02840.0322
Percentage of MarginOverLibor100.0100.0100.0

us-gaap:StatementBusinessSegments

well:NumberOfPropertiesClassifiedAsHeldForSale

well:OutpatientMedical



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.042.05.04.02.02.03.02.02.0
Percentage of NumberOfPropertiesClassifiedAsHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:SeniorHousingOperating



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value18.012.055.013.016.018.07.0
Percentage of NumberOfPropertiesClassifiedAsHeldForSale200.0240.01375.0650.0533.3900.0350.0

well:TripleNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.011.08.030.016.040.060.035.036.0
Percentage of NumberOfPropertiesClassifiedAsHeldForSale66.726.2160.0750.0800.02000.02000.01750.01800.0

well:OtherEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value00000000003
Percentage of OtherEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

well:RealEstateLoansReceivableAfterAllowanceForCreditLosses



Period End2020-03-312019-12-31
Value221270
Percentage of RealEstateLoansReceivableAfterAllowanceForCreditLosses100.0100.0

well:ReceivablesAndOtherAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value934757770716688686
Percentage of ReceivablesAndOtherAssets100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary



Period End2020-03-312019-12-31
Value1614
Percentage of ReceivablesAndOtherAssets1.81.9

us-gaap:FairValueByMeasurementBasis

well:RedeemableOpUnitholderInterests

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312018-12-31
Value94121103
Percentage of RedeemableOpUnitholderInterests100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312018-12-31
Value81121103
Percentage of RedeemableOpUnitholderInterests86.9100.0100.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService


us-gaap:Revenues us-gaap:StatementGeographical


us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:CostOfGoodsAndServicesSold us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:InterestExpenseDebt us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:ProfitLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:Assets us-gaap:StatementGeographical


us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:LongTermDebt us-gaap:LongtermDebtType


us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents


us-gaap:ProfitLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments